曲面的亏格

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(140) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

发表于:2018-12-19 / 阅读(182) / 评论(0) 分类 Facts-事实

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(224) / 评论(0) 分类 国家地理2008年

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(154) / 评论(0) 分类 地道美语播客

While I was observing this phenomenal creature, two jets of steam and water sprang from its blowholes and rose to an altitude of forty meters, 当我观察这只奇怪动物的时候,两道水和汽从它的鼻孔吐出来,直喷到叫十米的高度

发表于:2019-01-28 / 阅读(170) / 评论(0) 分类 《海底两万里》中英双语有声读物

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(161) / 评论(0) 分类 英语新闻

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚,而是选择了清澈的民谣曲风,用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿,带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 音乐咖啡厅

The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学,照在这些天然的凹凸不平的拱形建筑物上面, or some overhang suspended

发表于:2019-02-17 / 阅读(218) / 评论(0) 分类 《海底两万里》中英双语有声读物

In the first group: organ-pipe coral, gorgonian coral arranged into fan shapes, soft sponges from Syria, isis coral from the Molucca Islands, sea-pen coral, wonderful coral of the genus Virgularia from the waters of Norway, various coral of the genus

发表于:2019-02-17 / 阅读(199) / 评论(0) 分类 《海底两万里》中英双语有声读物

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(153) / 评论(0) 分类 英语新闻

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发表于:2019-02-19 / 阅读(180) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(168) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(171) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(171) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(180) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(168) / 评论(0) 分类 加州英语分级G6

A triggerfish, I said. 是一条箭鱼。我于是说了。 It's a Chinese triggerfish, Ned Land replied. 尼德兰回答:是一条中国箭鱼。 Genus Balistes, family Scleroderma, order Plectognatha, Conseil muttered. 康塞尔于是低声说:箭

发表于:2019-02-25 / 阅读(295) / 评论(0) 分类 《海底两万里》中英双语有声读物

There I saw again, but not yet pressed and dried like the Nautilus's specimens, some peacock's tails spread open like fans to stir up a cooling breeze, scarlet rosetangle, 我在这里又看到的,不是像在诺第留斯号船上风干的标本,而

发表于:2019-02-25 / 阅读(211) / 评论(0) 分类 《海底两万里》中英双语有声读物

At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令,宣布从今以后加州倒挂金钟(一种普通的假山庭园植物) is to be known henceforth as Epilobium can

发表于:2019-02-26 / 阅读(228) / 评论(0) 分类 万物简史
学英语单词
acidic hydrocarbon
Ajgain
bank it
barngun
be under the weather
bield
blood rule
bosompiece
cape coast castle
challenge someone at his own weapon
chip ax
clonk
coherent source
combinatorial dual
conduction velocity
contact metamorphic action
corbieres mts.
deep sky objects
doctor appointment
drilling-in completion fluid
dromgoole
early long-grain nonglutinous rice
ectopic melanocyte-stimulating hormone syndrome
environmental acoustics
family Cyprinodontidae
faulty recording
fluid therapy
genus Patella
goldenrails
good-girl
green-and-gold
horizontal tabulation character
IAOR
imposeth
in course of
initial distribution
Inspection Certificate of Cargo GA or PA
intermediate draft
Kilronan
Korea Exchange Bank
lesieur
liquid in glass thermograph
loan on
lose the upper hand
low interest funds
magnanime
market values
maximum limit of speed dsetting
mechler
minimum delay code
mirror transaction
MOCS
multi-functional card
neogenic
nine-point formula
oil of cardamom
Oscan-speaking
ovotherapy
palatine sulci
percentage of sales forecasting method
pilot-line production
plastics alloy
poliomyeloencephalitis
popularised
practical infrared optics
primary loop
production agency
rami basalis posterior
reyke
ronkos
row wet
sanur
scouries
scrub rake
security of user files
shoot off a draw
skyscrapers
slit domain
substantive tests
suspensory ligament of ovary
tags along
tamponade
target rate of return
thermal contact resisance
tig-welded
trachelospermum lanyuense
transhumanism
tree leaf
tunnel power supply system
two dimensional body
unbiasedness condition
undercarriages of crawler tractor
unlifting
upset someone's applecart
vibration-proof structure
warm formula for resuscitation
weakly cemented
weigh-bridge
wind shield apron
work station window
working chain
zoxazolamine