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Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 火星生命

In contrast, Jupiter and Saturn are all atmosphere. Unlike Earth, Jupiter doesnt really have a solid surface that you could stand on and then have your head up in the atmosphere looking at the clouds. Its just a giant, giant gas ball. Only one other

发表于:2019-01-23 / 阅读(32) / 评论(0) 分类 探索与发现2014年

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

发表于:2019-02-09 / 阅读(63) / 评论(0) 分类 英语新闻

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

发表于:2019-02-16 / 阅读(38) / 评论(0) 分类 英语听力广播—Listening

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di

发表于:2019-02-24 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
Aatrex
accumulating final total
address of
agogic accent
air charging apparatus
an assistant professor
animalised
antennarius randalli
arc drop loss
Auroa
balance to your credit
barley waters
be insufficient of
be qualified for
black factice
black-throateds
bronchopneumonic
candle-fish
ciliary part of retina
coherence principle
compound reinforcement
conical flasks
continue on
crank connecting rod journal lathe
crop calendar
cutaway section
denn
dilatations
Dimeria sinensis
DNA restriction endonuclease
dobereiners
DPWM
electro-hydraulic pilot system
electronic weighting
embedded crack
epineritic
ethylene iodide
Extensible Metadata Platform
fdos
field focus
fire drying
fragaria ananassas
gladu
H rod
H-anastomosis
heaped
Hollerith machine
humic substance in heavy fraction
insure with
investment guarantee
ion-selective electrode methodology
Ionian order
jumpman
Kennewick
lake-land
Lffler's bacillus
long-form mortgage clause
lose ground
lowpe
lukasa
main aisle
matching revenues and expenses
Matsushiro
misderived
mrca
mutare
orthotetrahedra
P'angyo
phosphorescence emission spectrum
pilea peploides major
politicus
pored poring
post-season
press screw
quadrature receiver
Ranunculus ussuriensis
rare earth hydrate
rated condition
reversible sweater
rictuss
Romanesaue
rot away
savoca
singlex channel
Sorghum vulpare Pers.
step by step reaction
stubble mulch tillage
synovium biopsy
system residence device
takosis
telemetered seismic net
tellurbismuthite (tellurbobismuthite)
teratogenous
terrero
thrashers
Tienshan wapiti
towel-dry
ulterior purpose
valourously
walkamerica
XML element
zinostatin