亚硝基乙基脲烷

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(283) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 英语对接游戏

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(80) / 评论(0) 分类 健康与经济

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 万物简史

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(62) / 评论(0) 分类 听播客学英语

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(68) / 评论(0) 分类 TED演讲教育篇
学英语单词
6-phosphofructo-2-kinase
acceleration mobility
accent lighting
adhereing
aeration tap
algal dust
ameland i.
automation level
block press
Bokmal
brown teal
carbided catalyst
carbohelicene
Carlisle (Crosby) Airport
cat method
cleaved to
closed circuit voltage
cluckers
colarossi
compensatory pressure
copper(i) thiocyanate
critical value pruning
curd shrinkage
Daouda
dark field line
day star
dichlorodiphenyldichloroethylene
diode, tunnel
discus-throwers
dispersion radii
disrecommended
distortion of projection
drengage
drinking song
Durante's treatment
effective learning project
equity of rights in litigation
esophagodynia
Euro-scepticism
extravagate
fixed-charge problem
flue-brushes
Foville's tract
frescades
FWHF
goldleaf electrometer
green vine snake
hacksawing machine
hark the herald angels sing
house-keeping
indistinct boundary
intensates
intercity binary transmission systems
ion wave instability
laminaghaphy
lateral loading test of pile
Lepechiniella lasiocarpa
Ly antigen
master vibrator
measurement base
metaprocess
minimum setting pressure of safety valve
mipolam
multistages
nasalwards
navigable condition
nestwatch
netting theory
neurostimulator
operation system database
Pachypterygium
pages down
phase boundary limited crosslinking
piston tuned circuit
plain-washer
possessive adjectives
postniks
pseudo transitive rule of functional dependencies
purpura persica
quantum barrier penetration
Ramipric
RCFC
reduced share
sago grains
scarlet lychnis
segner
shrunk finish
smoochers
Songzuo
south-half
stackelberg quantity leader
standard control
super-high-pressure steam turbine
supramodal
test process automation
thermalization
tubercularized
turn-down range
vehicle-hour
Wegener-Bergeron-process
welwood
yermosol