1-硝基芘

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(62) / 评论(0) 分类 国家地理2008年

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(278) / 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(135) / 评论(0) 分类 英语对接游戏

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(66) / 评论(0) 分类 自然百科2008年

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(77) / 评论(0) 分类 健康与经济

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(60) / 评论(0) 分类 听播客学英语
学英语单词
6-TP
actus rei
Acyrtops
addressable multiple register
ampullaceous
Anemone riparia
areg
arus-
axially loaded pile
Ayer Merbau, Pulau
background current
bestiariuss
binocular coil
blackgin
Ceglunar
cellobiose octaacetate
chorioptes bovis
cold magnetron
combattants
consolidated tax
coronary circulation
diesel after treatment device
diskzine
distance conception
double sided high density disk
edit.
elementariness
end stacking hatchcover
engine development test facility
famulative
flexbox
flybane
formatted model
given
go near the margin
good deal
gradient solvent
graduations in degrees
graphic appraisal method
hex flange nuts
hirmers
honger
ILBW
isolating switch for control supply
Juw
Lecanorchis multiflora
Leucaltidae
liquid hydrogen loading monitoring system
Lusophobia
magnetic diurnal variation
Magnetic I.
main feed line break accident
make straight for
managerial report system
milli-meter wire gage
minority culture
molephantin
mortar-mixing plant
Mr. J
Neolitsea pulchella
nerita
operating theatre
organic matter type identification
panmyeloid
party-coat
Peronospora destructor
piston pin lock ring
planetary overrunning clutch
plastic mulching
poc-chuc
poststatement events
put one's money where one's mouth is
radioactive hydrogeology
reflexio
ribbonsnake
rudder horn
Samgǒ-ri
schaluppe
Seasoned new issue
Shimabukuro
sirris
Spironema gallinarum
steam-baths
swerk
thermal reactor output
to flip out
top arrangement
torsional warping
turgometers
twinning plant
Tylophora trichophylla
undershelves
urban scene
vicks
vilta
vinous flavo(u)r
visible error
visual spectroscopic analysis
wormwood poisoning
wornil
wrightia tomentosa r.br.
Your car radio works very well