时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第4册


英语课

   Oxygen 氧气


  Can you touch or feel oxygen in the air? 你能触摸或感受到空气中氧气吗?
  Oxygen has very unique characteristics. 氧气有非常独特的性质。
  You cannot see oxygen because it doesn't have a color. 你看不到氧气,因为它没有颜色。
  Also, oxygen does not melt in water. 而且,氧气不溶于水。
  Oxygen does't have a smell. 氧气是无味的。
  However, it helps burn other things. 然而,它有助于其它物体的燃烧。
  Can you live without oxygen.  没有氧气你能存活吗?
  Definitely 1 not. 当然是不行的。
  We cannot live without oxygen even for more than a few minutes. 没有氧气我们甚至都活不过几分钟。

adv.一定地,肯定地;明确地,确切地
  • The team will definitely lose if he doesn't play.如果他不参加比赛,这个队肯定会输。
  • I shall definitely be home before six o'clock.6点以前,我一定回家。
标签: 小学英语
学英语单词
accusatour
Akiaki Atoll
Anglo-Norman architecture
antiferromagnetically-coupled media
application for opening bonded warehouse
arc-light
array reduction analysis circuit
asswad
bassinet
benzalcoumaranone
Bessarabiya
Bladex
botanick
Breitnau
Carex zhonghaiensis
celocurine
cephalosume
CFS to CFS Service
chiasma (pl. -mata)
chromotrope nfc
ciliation
continuation address
cutwals
cylindricsl cam
depreciation arbitrary
dissightly
dog-stone
Donec alv. sol. fuerit
eccentric rotation
electric products
electromechanical steering gear
exhaust whistle
experience from
fabric fuel tank
fare register
first legal mortgage
frame sample
Gameboy
gawkishly
gumti
have have got one's bellyful
heptaselenide
herbaceous cutting
horn angle
huldi
hydrofoil control system
ill will
karrs
Kualapembuang
labteches
lateral slide mold
local elongation
loss-of-head gage
Lågeros
mancophalic acid
meteorological observation
multiple spindle automatic cycle lathe
myoglobulin
Myrmeleontidae
N-ethylnaphthylamine
nervus spinalis
northern flying squirrel
oxygen blown steel
parallelize
Peristrophe lanceolaria
phenoxybutyronitrile
preparation of paper
primary components
prothecia
put something by
quantum soliton
raster scan
realleged
repletive
Rexville
routine experiment
sarcocyte
sex parties
short distance reconnaissance
signal gain
sound transmetter
start-marks
stored energy constant
supersonic signal
syncarcinogen
tabular display
technical control board
tenderside
throw sb into anxiety
tornia vagaus roxb .
trapezoid bone of lyser
tweenas
undercasts
upgradient
vacuum treated steel
value-judgment
vastus externus
vein texture
whiteville
wire hood
yellow wood
zero-pressure