四环素

[00:03.89]CONVERSATION 1 [00:08.86]TELL ME ABOUT YOUR FAMILY [00:13.22]Announcer:National Flight 294 to Miami is delayed due to severe weather conditions. [00:22.88]Please stand by or additional information. [00:27.87]Maria: Oh no! I hate these long

发表于:2018-12-02 / 阅读(132) / 评论(0) 分类 新英语交谈注释版

[00:03.68]CONVERSATION 1 [00:08.75]HOW ABOUT COMING WITH US? [00:13.01]Debbie: Hi, Kenji. [00:17.45]Kenji: Hi, Debbie. Have a seat. How's it going? [00:22.91]Debbie: I'm OK. How are you doing? [00:27.48]Kenji: Pretty good. Listen ... [00:31.92]have y

发表于:2018-12-02 / 阅读(145) / 评论(0) 分类 新英语交谈注释版

[00:04.18]CONVERSATION 2 [00:09.46]COULD I HAVE YOUR NAME. PLEASE? [00:13.22]Officer: Yes. can I help you? [00:17.97]Ms. Paine: I'd like to open a savings account. [00:22.05]Officer: Certainly. First we'll have to fill out a few forms. [00:27.19]Coul

发表于:2018-12-02 / 阅读(222) / 评论(0) 分类 新英语交谈注释版

[00:04.41]CONVERSATION 1 [00:09.38]DO YOU KNOW WHERE IT IS? [00:13.92]Michelle: What are you doing? [00:18.49]Dominic: I'm cooking dinner tonight. [00:22.05]Michelle: That's great. Thank you. What are you making? [00:27.51]Dominic: A surprise. By the

发表于:2018-12-02 / 阅读(240) / 评论(0) 分类 新英语交谈注释版

[00:04.49]CONVERSATION 2 [00:09.35]WHAT DOES IT LOOK LIKE? [00:13.30]Luis: Teresa? ... I can't find the what-do-you-call-it. [00:20.66]Teresa: What can't you find? [00:24.50]Luis: You know. The thing. [00:28.26]Teresa: What thing? [00:31.50]Luis: Oh,

发表于:2018-12-02 / 阅读(245) / 评论(0) 分类 新英语交谈注释版

[00:03.21]CONVERSATION 2 [00:08.07]I LOVE THE SEASHORE. [00:12.43]Tom: This one looks great! I love the seashore. [00:19.98]Ellen: So do I. The sun ... the sand ... the ocean! [00:26.44]Tom: And listen to this! [00:29.99]What do you think of sailing,

发表于:2018-12-02 / 阅读(242) / 评论(0) 分类 新英语交谈注释版

[00:03.50]CONVERSATION 2 [00:08.36]WHAT DO YOU WANT TO DO? [00:12.43]Henry: Hi, Alice ... have you made any New Year's resolutions yet? [00:20.30]Alice:Just the usual.I'd like to lose some weight,and I want to save some money. [00:26.17]Henry: Come o

发表于:2018-12-02 / 阅读(219) / 评论(0) 分类 新英语交谈注释版

[00:03.29]CONVERSATION 2 [00:08.65]THAT COLOR LOOKS BETTER. [00:12.90]Allen: Excuse me.Could you help me?I'd like to exchange this sweater. [00:20.45]clerk: What's the problem with it? [00:24.01]Allen: It was a birthday gift, but I don't really like

发表于:2018-12-02 / 阅读(203) / 评论(0) 分类 新英语交谈注释版

[00:02.98]CONVERSATION 1 [00:08.25]COULD YOU HELP ME? [00:11.62]Clerk: Hi. Can I help you with something? [00:18.29]Paulina: Yes, please. We're looking for the men's department. [00:23.33]Clerk: It's right over there, by the escalator. [00:27.69]Dieg

发表于:2018-12-02 / 阅读(217) / 评论(0) 分类 新英语交谈注释版

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(一)月

[00:03.29]CONVERSATION 2 [00:08.33]WOULD YOU CARE FOR ANY DESSERT? [00:12.59]Waiter:OK,so that's one cheeseburger and one order of chicken wings,extra spicy. [00:21.13]Would you like something to drink with that? [00:24.69]Carol: Do you have any diet

发表于:2018-12-25 / 阅读(201) / 评论(0) 分类 新英语交谈注释版

[00:03.68]CONVERSATION 2 [00:08.72]COULD YOU CHANGE MY ROOM? [00:12.98]Guest: Excuse me. [00:17.35]Clerk: Yes? What can I do for you? [00:21.71]Guest: I just checked in, and there's a problem with my room. [00:27.38]Clerk: And what is the problem? [0

发表于:2018-12-25 / 阅读(194) / 评论(0) 分类 新英语交谈注释版

[00:04.00]CONVERSATION 1 [00:09.14]SO, WHERE ARE YOU FROM? [00:13.69]Brad: So, Paula, where are you from? [00:20.85]paula: I'm from Canada, originally. [00:24.79]Brad: From Canada? Where were you born? [00:29.65]Paula: Montreal. [00:33.41]Brad: When

发表于:2018-12-25 / 阅读(200) / 评论(0) 分类 新英语交谈注释版

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

By Jim Bertel Washington, DC 17 February 2006 watch Bird Flu report As the deadly H5N1 strain of bird flu continues to spread from Asia to the Middle East, Africa and Europe, there have been many pred

发表于:2019-01-04 / 阅读(230) / 评论(0) 分类 2006年VOA标准英语(二月)

Grammar Girl here. Today's topic is verbification. Last week police used a Taser on University of Florida student Andrew Meyer as they struggled to remove him from an auditorium where Senator John Kerry was speaking. The Web has been filled with deba

发表于:2019-01-30 / 阅读(193) / 评论(0) 分类 英语语法 Grammar Girl

1.W: Congratulations to you on your success! 祝贺您取得成功。 G: Thank you very much. 非常感谢。 2. W: Please accept my heartiest congratulations on your cooperation! 请接受我对您的合作表示最衷心的祝贺。 G: Thanks. 谢谢

发表于:2019-02-02 / 阅读(161) / 评论(0) 分类 实用英语

BBC Learning English People and Places Xiaolu Guo Amber:Hello! Today, we meet a young and highly-successful Chinese writer and film- maker, Xiaolu Guo. She talks about learning English, and about how she had fun trying to find the right kind of Engl

发表于:2019-02-05 / 阅读(483) / 评论(0) 分类 人与地方

By Doug Levine Washington 11 March 2006 The gold connoisseur has seen it all: white gold, green gold, black gold, even fool's gold. But, there's another kind of gold out there,

发表于:2019-02-07 / 阅读(244) / 评论(0) 分类 2006年VOA标准英语(三月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(186) / 评论(0) 分类 万物简史
学英语单词
acquire immunity
Alain
Almohad
aromatized wine
blind bidding
bottom-up tree automaton
Brigg's thread
broad-leafs
browding
busbar transformer
cachelcoma
Camellia longituba
Catalanism
caution (ctn)
certified correction
chamillionaire
choad
Close All
coking tar
compensation colorimeter
crassulaceous
departmentalize
deviation constant
dulcorous
ecumenism
excoemum
fluoroacetamlde
friction goods
geoheat
grognards
ham-and-eggy
Hannaites
homeland-security
hot mess
hypothalamic center
ill-being
incertae sedis
internal cleaning
interstitial lattice site
Josef Michel Montgolfier
late barrier
length of car over end sills
lennar
Leonforte
limit register
liveware
low temperature cable
lucretiuss
luxidine
macboo
maximum vertical centre of gravity
MBCA
microsthenes
Miscanthus lutarioriparius
monostatic acoustic radar
Napoleon brandy
narceines
nourbakhsh
optimark
paemen
palmellaceous
peesweep storm
Phyllostictina paederiae
physical record and logical record
piggot
politiqueras
progressive spectral broadening
pseudosymmetrical
ramanaiah
rate of change indicator
Razin effect
recensed
Rilchingen-Hanweiler
Rythmodan
Sabor, R.
Schottky solar cell
second again
sensitizing dyestuff
signature dish
simplex pull rod
smile from ear to ear
smoothed profile
spirality
statement of application of fund
statutory law
step-and-scan
Streptomyces purpeochromogenes
stubbling
sulphonated coal
text-management
the fat of the land
too hot
transparent organic light-emitting device
truck winch
two-girder overhead travelling crane
Ureysk
uterine hydropneumatosis
variable attenuator
VLSI parallel algorithm
wamfler
wearable hearing aid
zabaleta