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
'Usfān
aftercost
alternative system
archaeids
aromatic amine formaldehyde resin
associate members of conference
baghdatis
Bezier curve
biological shield
blahss
built-in hydraulic jacks
Bustamante, B.
capouches
cast iron tee
cathedras
chibnall
coaxial relay
con law
confocal spherical reflector
contagy
contrastimulism
database design aid
Dietachdorf
Dimeriaceae
dolus directus
eigg i.
electro cardiograph
english projection
escheve
ethroglucin
fluor-lepidolite
goosefish
ground feed
hard stone
head steward
hebbian learning
hillside placer
historicization
hit off a fault
hydraulic computation
HyperV
idiopathic edema
interrupt service routine
inversely
Kasiki
kuppinger
lantern coelom
licence for use
Marguba(Murguba)
meant well
Methylmelubrin
mickey takes
middle raceway
minimum consumption
Namuli, Mt.
necrosectomies
neocinnamomum parvifolium (lec) h. liou
nitritoid crisisl
non-uniform irradiance
overseas interest rate
pandoura
passive sleep
penetrant removal method
petroblastic texture
phalansterial
phyllosticta ricini rosturp
polychloroprene sheathed cable
polymetallic nodule
polyrhythmical
Potavescent
preiswerkite
proanthostrobilus
quality of the natural water
quantum channel
rbv
reactor coil
relativistic electrodynamics
resume switch
rewrite man
Root-rot
Russifier
sabinane
seat pack parachute
second order transition
sense of order
shanks' pony
Shimodate
side lobes
signalpersons
skull plate screw driver
special vise
spreader footing
staticon
stick operation
substitute theorem
Taylor's power law
telluric iodide
tone down
tsan
velocity gaging
vertical sync pulse
Wyeville