音标:[sәj'mæstәrɔid] ;
a. 体海星纲的,体海星亚纲的

CHAPTER FIVE READING Some Days [00:10.68]I didn't find it interesting,listening, I didn't find it interesting,talking, [00:23.07]so I lelf the house-I went miles and miles- [00:31.32]And I didn't find it interesting,walking, [00:36.96]I didn't find i

发表于:2018-12-01 / 阅读(509) / 评论(0) 分类 上海牛津初中英语八年级

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(154) / 评论(0) 分类 Scientific American(四)月

Lesson 48:Did you want to tell me something? 你想对我说什么吗? First listen and then answer the question. 听录音,然后回答以下问题。 Why did the writer become very worried? Dentists always ask questions when it is impossible for

发表于:2018-12-08 / 阅读(330) / 评论(0) 分类 新概念英语第二册

We present the short story The Ransom of Red Chief by O. Henry. Here is Shep ONeal with the story. (MUSIC) SHEP ONEAL: It looked like a good thing. But wait till I tell you. We were down south, in Alabama Bill Driscoll and myself when this kidnapping

发表于:2018-12-15 / 阅读(116) / 评论(0) 分类 2011年VOA慢速英语(一)月

SCIENCE IN THE NEWS - Is the Human Brain Still Evolving? Some Scientists Think So By Katherine Gypson, George Grow and Dana Demange Broadcast: Tuesday, November 01, 2005 (MUSIC) VOICE ONE: This is SCI

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 科技之光

在这次节目里我们要给大家介绍两个以

发表于:2019-01-06 / 阅读(194) / 评论(0) 分类 美国习惯用语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If we want to learn more about our planet and other planets in the universe, we can get some help from stars that are long dead and gone. Thats what U.

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(一)月

Ethiopia says it is prepared to withdraw its troops from Somalia in line with an accord between the transitional Somali government and an Islamist opposition group. But as VOA's Peter Heinlein reports from Addis Ababa, the pullout pledge comes with

发表于:2019-01-13 / 阅读(194) / 评论(0) 分类 VOA标准英语2008年(十月)

A local official in Somalia says Ethiopian troops are now staying at a military base near a town in the central part of the country. The reported sighting of Ethiopian troops in central Somalia is just one of several from around the country. In an i

发表于:2019-01-13 / 阅读(138) / 评论(0) 分类 VOA标准英语2009年(六月)

By Lisa Schlein Geneva 25 September 2009 Somalia The UN refugee agency says conflict and drought are forcing thousands of Somalis to flee to Kenya. The UNHCR reports about 6,400 refugees are arriving in Kenya every month, creating further pressure o

发表于:2019-01-13 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(九月)

U.N. Deputy High Commissioner for Human Rights Kyung-wha Kang is calling for the international community to combat the culture of impunity that has fueled more than two decades of war in Somalia. Kang's comments followed an official two-day tour of t

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2010年(九)月

Mogadishu Offers Little Comfort to Somalis Arriving From Famine Famine is forcing Somalis by the hundreds of thousands to leave their homes in search of survival. Some are fleeing across the border to refugee camps in Kenya and Ethiopia, where intern

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2011年(八月)

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

发表于:2019-01-20 / 阅读(152) / 评论(0) 分类 英语新闻

A group of more than 50 organizations providing humanitarian assistance in Somalia called for increased international attention to the situation in the country. As Derek Kilner reports from VOA's East Africa bureau in Nairobi, the groups assert that

发表于:2019-01-21 / 阅读(161) / 评论(0) 分类 VOA标准英语2008年(十月)

By Carolyn Weaver Washington, DC 09 February 2006 watch Brookhaven report Experimental results at Brookhaven National Laboratory’s supercollider that replicate in miniature the “Big Bang,” when

发表于:2019-01-31 / 阅读(354) / 评论(0) 分类 2006年VOA标准英语(二月)

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(133) / 评论(0) 分类 英语新闻

By Alisha Ryu Nairobi 02 October 2009 Kismayo, Somalia Al-Shabab militants in Somalia have claimed control of the country's southern port town of Kismayo, one day after deadly fighting with a rival Islamist group. But the city remains tense amid rep

发表于:2019-02-12 / 阅读(131) / 评论(0) 分类 VOA标准英语2009年(十月)

BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e

发表于:2019-02-15 / 阅读(138) / 评论(0) 分类 英语新闻

NASA has announced that an Asteroid will pass closer to Earth than the TV satellites that surround the planet. NASA says that the celestial visitor has no chance of impacting the Earth and is known as 2012 DA14. A group of amatuer astronomers discove

发表于:2019-02-21 / 阅读(143) / 评论(0) 分类 英闻天下

take sombody's mind off 使某人忘记 I bought myself a little gift to take my mind off my problems. 我给自己买了一个小礼物,让我忘掉所有的烦恼。 Maybe it'll take your mind off Betty. 也许这会让你忘掉贝蒂的。 Just

发表于:2019-02-26 / 阅读(152) / 评论(0) 分类 老外最常用的英文短语
学英语单词
-agra
a queer bird
ABM (automated batch mixing)
acridine orange direct count
Aesculapian staff
alhoun
alymphia
analysis framework
bargaining policy
BCISC
bricole
calm your tits
carbohydrate moiety
celastrine
cerithidea ornata
Cermak-Spirek furnace
change of risk
chorea school-made
chronicled
close-talking microphone
company information
conditional conservation
contact sex pheromone
curb broker
dequenne
desulfuration by dry process
dysprosium sulfate
Ehrharta
facility terminal cabinet
frank-tenementary
gate actuating rod
gerlin
ghost knifefishes
Gleason scores
gnawing mammals
goods consigned
Google Translator
grooved pulley
hiccup
i-tend
IPRF
keyboard send/receive set
klugman
Kutznezk flora
labrets
marsh ore (bog iron ore)
maximum instantaneous wind speed
medlate therapeutic
membrane current
moorends
muconomycin
muttonship
new style name
oil emuision adjuvant
one-itis
oxidosis
Parakmeria
peacock stone
personnel-related expenses
phosphatizing
quadrillion
radio echo
raither
random surface renewal
rebalancing
remote subset
retrodictive
ritonavirs
roridula
sea wasps
sickler
skirty
solid phase synthesis
straight centrifugal pump
subcolumn
Symplocos shilanensis
syntheta
take reasonable care
tall oil rosin
Tevfik Fikret
Thoreauan
thymitis
Timber-wagon
total calculator system
tribo-
two-row ball bearing
ultramoist
underseat
unscholarly
unshelled
village college
warnesse
weeping beech
well-rounded
whirl mixer
whirlwind clarifier
woolery
x-r
Young men may die, old men must .
yunnanosaurids
Zahal
zareba, zareeba