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This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(四)月

Part 2. Astronomers discover solar system. Keywords. another solar system, planets, challenge. Vocabulary. constellation, astronomy, full-fledged, Jupiter. A. Listen to a science report, write down the information about the new solar system. What sci

发表于:2019-02-15 / 阅读(143) / 评论(0) 分类 Step by Step 3000 第二册
学英语单词
Administration of Justice Act
administrative contract
agree
antilecithinase
appropriate level
asterinella hiugensis hino et hidaka
be hard done by
BNOC
campaign group
Caragana pekinensis
case bay part
cercospora canescens ellis et martin
chicory
cholla
clit tease
clivers
co-uncles
concrete of neflier
Cordillera, Dep.de
desulphurization equipment
diamidides
dichloro acetamide
digenetic propagation
disc (disk)
Eildon, L.
electric capacity altimeter
elevatory
fag sb out
Falzarego, P.di
fibrious
first and second lining
flat compound characteristic
floating disc refiner
full-scale clearance
genus Canella
genus Prenanthes
hand in something
hiccough nuts
impregnating process
inconsuete
induced fractures
infectious myxoma
IR blaster
josser
Judaeo-
junior bond
ketazolam
leucobryum bowringii
lift clutch
long-period variation
lubricator driving shaft
marine zootaxy
marker generator
massouda
mast cell tumo
matrix formulation for cost allocation
minifig
mobs
neoacyrthosiphon (pseudoacythosiphon) holsti
nickelous iodate
non-alloy steel
non-parallel equal crank linkage normal
nonperformer
on someone's part
ossa orbitale
peridotitics
petajoules
phosphoketolase
Pony Club
poop deck spring
power hand brake
pure tone audiogram
racon
randum
reactionlessness
relaxation pulse
rock gangue
Salitre-Cué
schuknecht
secondary subroutine
series wound generator
servicing time
Seychelles rupee
seymours
Simple IRA
smellables
solder lug
SR-C
stake upon
strombus minimus
sugarbeets
suspended seventh
textile oil
torque synchro differential transmitter
tumble and toss
turn-over capacity
twerkin'
two-way automatic private line
underoiling
vapour phase hydrodesulfurization process
wendle
wet-test meter