半知衣纲

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发表于:2018-12-08 / 阅读(147) / 评论(0) 分类 背诵为王第三册

Like most things that thrive in harsh environments, lichens are slow-growing. 像大多数在恶劣条件下茁壮成长的东西一样,地衣长得很慢。 It may take a lichen more than half a century to attain the dimensions of a shirt button. 地

发表于:2018-12-18 / 阅读(65) / 评论(0) 分类 万物简史

22 Good-bye To All That 第二十二章 多灾多难的生命进程 When you consider it from a human perspective, and clearly it would be difficult for us to do otherwise, life is an odd thing. 要是你从人的角度去考虑生命这个问题,显

发表于:2018-12-18 / 阅读(86) / 评论(0) 分类 万物简史

Fat, laid down last summer provides energy during the meager winter months, but not all will make it. Further north, another cold weather survivor truly clings to life, one of the rarest birds in the world, the critically endangered Siberian White Cr

发表于:2018-12-26 / 阅读(114) / 评论(0) 分类 自然百科2011年

Grizzly bears once roamed much of the United States. But two centuries of hunting and habitat loss have devastated their numbers. Today, less than 1,200 live in the Lower 48. If there is a last remaining stronghold for the North American Grizzly, it

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 国家地理2007年

Redwoods are the tallest living trees on the planet. And one of the best places to see them is northern California's Redwood National Forest. They can reach 300 feet high or higher, and their massive trunks can grow to more than 20 feet wide. Recentl

发表于:2018-12-30 / 阅读(139) / 评论(0) 分类 国家地理2007年

Whenever you're ready, sir,he called to me. 对我喊:先生,您高兴就清上来。 I got out, Conseil at my heels, leaving the two men in the skiff. 我跳下小艇,后面跟着康塞尔,那两个人留在艇中。 Over an extensive area,

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 《海底两万里》中英双语有声读物

The more varied the kinds of land in the sanctuary, the greater is the variety of wild things that can grow and den and build there. 保护区的土地类型越多,各类野生动植物在这里成长,建巢穴的数量也就越多。 What a numb

发表于:2019-01-10 / 阅读(53) / 评论(0) 分类 美国小学英语教材6

SCOTT SIMON, HOST: Reindeer populations are being threatened by climate change. A warming world makes their main winter food source disappear. But as KUCB's Zoe Sobel reports, reindeer on one Alaskan island are surprising researchers. ZOE SOBEL, BYLI

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 2017年NPR美国国家公共电台2月

ROME, June 14 (Xinhua) -- World Anti-Doping Agency lab experts may change its rules regarding clenbuterol on their meeting next week. Clenbuterol is the drug that cyclist Alberto Contador tested positive for at last year's Tour de France. Contador bl

发表于:2019-02-06 / 阅读(103) / 评论(0) 分类 英语新闻

When Emerson poetically noted that mosses favor the north sides of trees (The moss upon the forest bark, was pole-star when the night was dark) 当埃默森富有诗意地谈到苔藓喜欢生长在树木的北侧的时候(在漆黑的夜晚,树干

发表于:2019-02-13 / 阅读(50) / 评论(0) 分类 万物简史

Goodness knows what the results would be if anyone attempted a similar exercise with the planet's estimated 20,000 types of lichens, 50,000 species of mollusk, or 400,000-plus beetles. 要是有人试图对这颗行星上的大约2万种地衣、5万多

发表于:2019-03-17 / 阅读(423) / 评论(0) 分类 万物简史
学英语单词
.lr
abruptedly
advantage point
artificial wool
AWTT
belted
Bernese mountain dog
beyrand
bitten at
boreally
brake grease shield
bredekamp
bring someone to book
Buraq Wall
cable tramways
canonically conjugate variables
chirodiscoides caviae
cranberry sauces
Criminal Justice Act
current supply loss
dalbergia nigras
decreasing rate constant
dependency burden
derailing position
dialogisms
disallowed machine-check interruption
effective measures
farady's law
farm-hand
fix planting
flakeiest
flame attachments
foldamers
formal notion
fractional linear group
friction swa
froude hydraulic dynamometer
fruticous desert
genus anguillulas
glabriscala glabratum
Guntakal
gyrorelaxation effect
halloos
hatchett
heliodiscus phacodiscus
heptacosadiene
heteropolymeric protein
homogeneous steel plate
hopper dryer
improvisatore
interchondral fluid
Kahūgīsh
kinard
kneeled
kristianos
latericumbent
lithagogectasia
lower diaphragm plate and valve stem
Maglemosian industry
micraster
multi-axle vibrater
naotic structure
needle cam
new public management
niddries
Olifantshoek
overseas market development reserves
panarteritis nodosa
Peyronie
Pietrabbondante
plate-bending machine
potato sorting machine
predisponents
preferred category
prepositus
pseudograv
razory
red-green dichromacies
relative extreme
runquist
safeguard station
salpid
seal ... in
semi-submerged foil
SOLEMYOIDEA
sound level calibrator
stand on the defensive
starching agent
switch oil tight
tanorexia
temporal and spatial
tigemonam
topanga
treas
trespass on sth
triisopropyltin chloride
umbrella shed
undercalculations
Useful idiot
voltage dependence
water knock out
yield differentials