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
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adjustable-speed unotor
algorithm for production system
american standard association
asheweig r.
automatic printing machine
autoplunger
axeblade
b-cups
Bible-thump
brevinine
bridge pier
built up strut
cabrerite
captioner
carbonyl disulfide
chain type hay loader
chihuahuas
close-ratios
combined radial and axial flow turbine
conduct resin
cultual
Day of Reconciliation
dayl
disk harrows
disordered field
dragless aerial
dry-press brick
enicospilus ashbyi
exculpatory circumstances
Experimental Aircraft Association
extraneous stimulus
fallen on hard times
Farley, James A(loysius)
filiety
focus out
foreign trade enterprise
frank capras
general radio communication
girlie girls
give one's right arm
God bless your soul !
guided missile simulation
hexagon bit
innovation strategy
Khvanchkara
kukuruku
limited-plan
Lomami River
lymph stream
meacles in pork
meningitic striae
mestizos
meteorologic observation vessel
microrecord
microscopic agglutination
Mimata
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multiprogramming dispatching
myelinated fibers
nanocephaly
nominal aphasia
noncurrent force
noumeaite (garnierite)
o-iodohippurate
oligopoly models
overlapping curve
pan glass
partnership accounting
piloselloides
planning grid
playgrounds
Porteňo, R.
positive-displacement flow meter
power input to a machine
pqrs
pyospermia
Rajinae
read/write slot
reflecting board
rejoicing
Rosvik
Rupicola peruviana
Rånbyn
safeboxes
salkelds
second mean line
sequential organization
sheeding
shutoff valve
spoto
stream lubrication
subsequent call
tannin test
thru hole
thyroarytehoid
tone and ringing generator
top gallant mast
total reflection factor
Univasc
urushic acid
zillman
zinc-schefferite