属的庞杂度指数;属的歧异度指数

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(163) / 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(196) / 评论(0) 分类 国家地理2008年

Paula Molina-Acostas concerns for her own safety on her college campus first started to grow over a year ago. Molina-Acosta studies at the University of Maryland, or UMD, in College Park, Maryland. In the fall of 2016, students began seeing the words

发表于:2019-01-03 / 阅读(116) / 评论(0) 分类 2018年VOA慢速英语(四)月

AS IT IS 2013-06-01 Musical Prodigy Emily Bear Shines on Diversity Hello and welcome to As It Is. Im June Simms in Washington. Today, we take a trip to the imaginary planet Krypton to witness the historic birth of Superman and to hear about how he ca

发表于:2019-01-12 / 阅读(116) / 评论(0) 分类 2013年VOA慢速英语(六)月

Actors Criticize 'White' Oscars for Lack of Diversity The Academy Awards ceremony is Hollywoods biggest night of the year for actors and filmmakers. But this year, some are refusing to attend the ceremony. They are calling for a boycott. They are boy

发表于:2019-01-12 / 阅读(343) / 评论(0) 分类 2016年VOA慢速英语(一)月

Diversity on Display at US Presidential Inauguration The diversity of the Presidents supporters was on display at the Inauguration. Ramona Natera from Wisconsin is part of Latinas United for Obama that helped secure Hispanic support in the last elect

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 VOA标准英语2013年(一月)

The largest effort ever to protect global food supplies against climate change was announced Friday in Rome. One-fifth of the world's plants are threatened with extinction. It's Cary Fowler's mission to fight back. He's the executive director of the

发表于:2019-01-13 / 阅读(103) / 评论(0) 分类 VOA标准英语2010年(十二)月

Diversity Can Enrich Workplace As in many offices around the United States, people of different backgrounds work at the headquarters of the Internal Revenue Service in Washington D.C. Richard Regan, a Native American, joined the IRS a year ago. A mem

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2011年(十一月)

Diversity Works Well in Ethnically 'Mixed Up' Virginia Community During the current presidential campaign, anti-immigrant sentiment seems to have grown in the U.S. But for one community outside the nation's capital, home to more than 130 ethnic group

发表于:2019-01-14 / 阅读(113) / 评论(0) 分类 VOA标准英语2016年(四月)

RACHEL MARTIN, HOST: One of the details we've learned about the suspect in the New York terror attack is that he was a native of Uzbekistan. He came to this country through a visa lottery system. This lottery is open to people from countries that hav

发表于:2019-01-16 / 阅读(124) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Voice 1 Thank you for joining us for todays Spotlight. Im Courtney Schutt. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 I

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 环球英语 Spotlight

今天我们要学的词是diversity。 Diversity, 多元。 The school is committed to improve the diversity of its student body, 学校致力于提高学生的多元化。星期一是美国法定假日,马丁.路德金日。 It's a time for peopl

发表于:2019-01-25 / 阅读(86) / 评论(0) 分类 英语每日一词

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(152) / 评论(0) 分类 《海底两万里》中英双语有声读物

今天我们要学的词是diversity。 Diversity, 多元。 The school is committed to improve the diversity of its student body, 学校致力于提高学生的多元化。星期一是美国法定假日,马丁.路德金日。 It's a time for peopl

发表于:2019-02-05 / 阅读(95) / 评论(0) 分类 英语单词荟萃

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(195) / 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(178) / 评论(0) 分类 《海底两万里》中英双语有声读物

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(280) / 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(197) / 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(198) / 评论(0) 分类 万物简史

The streets of Cape Town came to life as the seventh annual Cape Town Carnival paraded its way down the citys main streets. More than 50 talented community groups performed dances and acts that represented their interpretation of the street life them

发表于:2019-03-02 / 阅读(148) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
a. tympanica anterior
account of receipts
acoustic constant
air bus
allie
altel
autoregressivesource
baranain
birth year
Bolanden
Bolinao
Bolzano, Bernhard
bottom-hole assembly
bridge voltage
charge hoist
chemospecificities
chimney sweep
chrominance-subcarrier demodulator
CNUC-PDE
decorative nails on door leaf
dictatrix
dioctyl ether
double-enders
einsteinium compound
emmetris
employee's welfare
fan-type
field-accelerating relay
floo-floo bird
gorilkas
got in touch with
gragians
halalling
heat-resisting quality
Hildesheim
hiscoxes
hunger-strike
incompressible-fluid
input shorted reverse current amplification
interference reflector
international communication ser-vice
jet glass
larmotron
LF-RF
ligament of helvetius
Ligulatae
lippiness
loading effect
local online card reader
logsheets
mannosylphosphoryltransferase
mediastine
Menihek
metal lift-off technology
mill-wheel
MTD
muggin
Muzhi
Nasorean
nuclear-safety
offshooting
operation support
ostracods
Paraprenanthes sororia
peach melbas
Peronospora tabacina
phenylnitrone
photographic-quality
pilot manual
Pittosporum elevaticostatum
practical worker
precast concrete floor
prop sth up
prothrombokinin
public queue
rail seat
ratio clause
reinforced button
rotaxanes
rubigan
Salmo trutta
side filling fork
slopingly
space charge density
stannous oxide
summer job
systolic gallop rhythm
the beautiful people
third class pressure vessel
Thorps
three way union
time-averaged
Timing Relays
Tordon beads
train loading forecast
tv ads
under-deterrence
undetachable
unmanufactured mica
vapor jacket
vica
Yeniseysk(Eniseisk)