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
absolute participle
Adam style
air valve handle set screw
alpha - adrenergic receptor
ambered
ash-free fuel
asway
awem
black bear
bottleneck assignment problem
braking current
bruges-la-morte
bukler
carbon black nitrogen adsorption surface area
cathay insurance co
complete normal variety
connection to load
conventional fuel
copycat violence
corpse
corrosion protecting lubricant
Cricklade
datacomm
de-iodinating
decurrent leaf
drug-free
econometrician
endochrocenter
entertainment-starved
European Commissioners
exciton condensation
expectees
fat-hen
flexed
Flu-Shield
Foramen thyroideum
gametophagia
Gibbs and de Marzio theory
guy post
hair spring divider
half-on
heep
hypectasia
international money order
item of business
jct
Jersey stone
Kubeite
layout flexibility
Lotte World
lower order byte
lucidusculine
lysis of cicatricial contracture and skin grafting
m. aryt?noideus
MEDCAP
metrorrhagias
micrometeoritic
Mizrach
niobate system ceramics
nonstatements
nuclear parity
orbit decomposition formula
panitz
per-units
pericarp of red pompelmoose
perk up
plain hank
plasma emission spectrochemistry
pneumophagia
policy credibility
polyundecamethylene glycol
positive-displacement engine
productivity movement
promotion by merit
radiometallurgy
relative uncertainty
roughing mill group
San Isidro
satellite boardcasting
scarers
scissor
sehring
self-recording mechanism
semi-regular variable
shordy
silage cart
skepsis
smooth plain packing
spherical reactor
statistical-dynamic model (sdm)
supernormal distribution
swordstress
sync tip
tail clipping
titular bishop
to a greater extent
to sign on the dotted line
unsecured debenture
volucella terauchii
waces
water problem
yester-years