音标:[,pɔli'faiəudɔnt] ;
adj.
【动物学】(鱼类或低等脊椎动物)多换性齿的
n.
多换性齿动物

A: Hello, how are you doing? B: Pretty good, and you? A: I'm doing great. B: That's great to hear. A: So how long have you been going to PCC? B: I've been going here for a couple years now. You? A: This is my first year. B: How do you like it so far?

发表于:2018-11-30 / 阅读(182) / 评论(0) 分类 英语情景对话-大学生活

A: How are things with you? B: Not too bad. How about yourself? A: Not bad. B: I'm glad to hear that. A: Have you been going to PCC long? B: I've only been here two years. How about yourself? A: I just started this year. B: Do you like it? A: It's fi

发表于:2018-11-30 / 阅读(162) / 评论(0) 分类 英语情景对话-大学生活

Jessica: Let's see. My mom is three years older than my dad, and they are like night and day. My mom is 5 foot 4, on a good day, 5 foot 2, I think in real life, and she is very sweet and very nice, and very caring, and very cute, everybody tells her

发表于:2018-12-02 / 阅读(121) / 评论(0) 分类 原版英语对话1000个

A: I cant believe Obama is our President. B: I am proud to know that he is our President. A: You voted for him, right? B: Did you vote for him, because I know that I did. A: I did, too. B: I have nothing but faith in Obama. A: Really? B: Im sure he w

发表于:2018-12-02 / 阅读(139) / 评论(0) 分类 英语情景对话-选举

A: Can you believe that Obama is our new President? B: Im so happy about that. A: Did you vote for him? B: I sure did. How about you? A: I voted for him. B: I have complete confidence in our new President. A: Is that right? B: I know he will help cha

发表于:2018-12-02 / 阅读(112) / 评论(0) 分类 英语情景对话-选举

Everyone knows Mothers Day and Fathers Day, but not many people know about Parents Day. This started in July 1994. President Bill Clinton signed a law that made the fourth Sunday of July a day we can celebrate both of our parents. The law says Parent

发表于:2018-12-04 / 阅读(196) / 评论(0) 分类 英语课程学习计划和讲义

A: Does your chicken taste all right? B: The chicken tastes wonderful, but it is kind of dry. Is your fish OK? A: My fish has good seasoning but is a little dry. B: It seems as if they got busy and left it sitting before it got to us. A: Yes, maybe t

发表于:2018-12-16 / 阅读(186) / 评论(0) 分类 英语情景对话-餐厅

Cynthia and George went shopping together at Wal-Mart. I need a water dispenser for my office, Cynthia told George. What do you mean by water dispenser? George asked. You know, one of those things that they put the big five-gallon jug upside down int

发表于:2018-12-31 / 阅读(113) / 评论(0) 分类 365个英语简短小故事

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 午后咖啡

Grammar Girl here. Today's topic is sentence fragments. I often imagine that listeners are writing articles and essays and books, but I was recently reminded that some people make their living writing shorter things like headlines and ad copy, and th

发表于:2019-01-02 / 阅读(169) / 评论(0) 分类 英语语法 Grammar Girl

A witness to the terrorist mall attacking Kenya say several attackers were women and one of them white. Kenya officials are so sure that one of them has been the so called white widow or wide has been issued for. Let's get started. Tonight the Kenya

发表于:2019-01-11 / 阅读(214) / 评论(0) 分类 美联社新闻一分钟2013(十月)

A: George, is your chicken OK? B: It tastes great, but it is really dry. Is your fish all right? A: My fish is very dry. B: I wonder if they left it sitting around too long before they served it. A: That's exactly what I was thinking had happened. B:

发表于:2019-01-15 / 阅读(197) / 评论(0) 分类 英语情景对话-餐厅

A: Hey George, how is your chicken? B: My chicken tastes all right, but it is pretty dry. How is your fish? A: My fish is pretty dry too. B: It's almost as if this food has been sitting a little too long. It doesn't seem fresh. A: Yes, it seems that

发表于:2019-01-15 / 阅读(202) / 评论(0) 分类 英语情景对话-餐厅

As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral

发表于:2019-01-22 / 阅读(128) / 评论(0) 分类 自然百科2011年

BBC Learning English People and places Students at Fort Hare Presenter:Hello, I'm Dima, and today we're travelling to South Africa to find out what young people there think about the state of democracy in their country. We're joining Lisa and Pumale

发表于:2019-01-26 / 阅读(399) / 评论(0) 分类 人与地方

First division in the polyp group, the class Spongiaria has been created by scientists precisely for this unusual exhibit whose usefulness is beyond dispute. 海绵纲是水熄类的第一纲,这一纲就是由这种非常有用处的新奇产物组成

发表于:2019-01-27 / 阅读(153) / 评论(0) 分类 《海底两万里》中英双语有声读物

Heart Patients More Likely to Take Medication When in Single Pill 心脏病人更倾向于服用单一药物 WASHINGTON Many patients who have heart disease or who have suffered a stroke dont take their medications as regularly as prescribed. One stu

发表于:2019-02-01 / 阅读(135) / 评论(0) 分类 VOA常速英语2013年(九月)

Once upon a time two peasants attempted to pass each other,and their sledges became entangled One cried,Get out of my way;I must get to the town as quickly as possible;and the other said,You get out of my way;I must get home as quickly as

发表于:2019-02-05 / 阅读(140) / 评论(0) 分类 趣味英语

Adrienne: So, Rob, tell me why you don't like elephants! Rob: Why don't I like elephants? It's a long story. I was traveling in India with a friend of mine and one night we decided to spent the night in a national park, looking at wildlife, and we we

发表于:2019-02-06 / 阅读(136) / 评论(0) 分类 原版英语对话1000个

This is where the school run starts for six children from Papa Westray, their school is on another island, and to get there for this term only, they are taking to the skies. The day begins at Papa Westray's airstrip, and once theyve taken off, there

发表于:2019-02-06 / 阅读(117) / 评论(0) 分类 英语杂谈
学英语单词
abiotic component
air-cushion system
angiomyeloma
asthane
athematically
Atherstone
automatic band saw sharpener
bathydraconid
be in apple-pie order
Beer,August
bodychecking
Catabrosa capusii
chemically modified paper
chewing tobacco
chylosa diarrhea
colamine
compact disk read only collection
computer camera
copper-stripping reaction
correction of a final proof
cotton mills
counterbuff
Dactylogyroidea
digital cartridge
dormant stage
duesenberry
eastwardly
endodontology
engineering vehicle
enshrouding
entero-vioform
evasion of legal sanction
evie
exit quality
flix
fulminuric
general table
genus acanthophiss
globoid leukodystrophy
gray rape
grigorian
half module
hemagglutin ationinhibition
horse-drawn ridging plow
host condition
i-nomen
impersonal organizational structure
Import Cargo Insurance
inode
iodizate
job sample
leased material
legal suits
Lespedeza cuneata
life hereditor
Lobus hepatis dexter
luminescent glass
lystra
magnesia alumina brick
magnetic interrupter
Mai, Pulau
merited
Mod5p
operating record of machine
ornitholites
outspell
overhead-valve
palatal surface
parasitoid
pentodont
photoelectronic amplification
phragmidium okianum hara
Pitsford
plant ecology
radiumotherapy
religious person
reslices
retribalizations
reverse-acting valve
rf-positive
Santalum spicatum
seirokus
Senecio wightii
sentire
single syndactyly
stereoisomeric
storm a castle
stow pin
subpoint
tattersall
Tecuala
tergipedids
tight credit
truthiest
tsampouna
unconditioned reflex
unknome
vibrating relay
villano
vwags
watch-phone
Zharcha