无道碴道床钢轨扣件;直接固定钢轨扣件

Stinky: Is it A, Gastropods, B, Marsupials or C, Planaria? Ben: Um...don't help me, here. Stinky: I can't. Ben: Um... It's A, that thing with gas. Stinky: No, it's D, none of the above. Ben: But you didn't even say that! Stinky: I didn't think it wa

发表于:2018-12-05 / 阅读(47) / 评论(0) 分类 成长的烦恼第五季

Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove

发表于:2018-12-24 / 阅读(45) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Quality truffles can sell for more than a $1000 a pound. Theyre also valuable in environmental research, work thats discussed in an article called The Hidden Life of Tru

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 Scientific American(四)月

讨论地核物质成分,科学家根据地震波传导的快慢,确定了地核的成分与地表的成分不同。然后科学家发现火山爆发出来的物质有钻石,证明地球深层是一个高温高压的环境,因为钻石只能在

发表于:2019-01-08 / 阅读(34) / 评论(0) 分类 托福英语

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

发表于:2019-01-26 / 阅读(46) / 评论(0) 分类 经济学人科技系列

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(41) / 评论(0) 分类 经济学人科技系列
学英语单词
A-IV
acute barbiturate poisoning
ADDL
Allatoona Lake
andronicus
anterior scrotal veins
apical ectodermal ridge
auto-suspension
bad lender
bergholts
beta-Xylosidase
bilateral acoustic neurofibromatosis
Capcir
circulary fibres
condolaunt
cork plate
cumpleanos
cyclic element
deaerator recirculation pump
derealisations
Diaradou
directional carriageway marking
disturbed-zero output signal
dormitive virtue
electrical thermometer
eske
exacerbatory
final felling
flipsides
float type flowmeter
fm ranging
french honeysuckles
fried tofu
genus spiraeas
Geranium himalayense
halirift
hitch bar
hladky
holtzbrinck
homocylindrocarpine
ikosotetsahedroid
indefinability
infrared cloud picture
ink sac
inquiets
kodacolors
late tillering state
lip tile
literatura
Lomac
lottiid
Manuel Urbano
marine magnetotelluric sounding
melmak
method of moments (mom)
metifs
Mona, Can.de la
Mongolian death worm
normal radioactive decay
octopodid
one-to-three
optical beat
optimum cure point
oracle cooperative applications
paleointensities
parismina
placerville
preliminary seedling test
preuremic stage
principle of soil erosion classification
process vessel
psoriasis zosteriformis
radiophare
ramne
ramus communicans peroneus
refeeds
reversing water bottle
rewardon
road ranker
rother nails
Saprosan
set sill
sex changes
shapeliness
sibliing
sporned
SQ-11725
sterling brass
string-coloured
sun-king
thanksgave
tioga
Tooshima-yama
topspin
translation time lag
trespass de bonis asportatiss
uletic
ultraviolet spectrophotometric method
up parallel operation
vasoconstrictives
vitamin b5 (nicotinic acid)
zero insertion and deletion