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


英语课

   The Ozone 1 Layer 臭氧层


  Can humans live away from the Earth? 人类能远离地球生活吗?
  Maybe it will be possible in the future but it is impossible now. 或许将来可以,但现在不行。
  In our solar system, the Earth is probably the only planet where humans can live. 在我们的太阳系,地球是唯一适合人类居住的星球。
  Some planets are too hot and some are too cold. 其他的星球要么太热,要么太冷。
  But the Earth is warm, so humans can live on it. 但地球很温暖,所以人类才能在上面居住。
  So what makes the Earth different from other planets? 什么使得地球不同于其他星球呢?
  The Earth has ozone. 地球有臭氧。
  Ozone is a thick layer of oxygen. It covers the Earth. 臭氧是一层厚厚的氧。它覆盖着地球。
  What does it do? 它有什么作用?
  It blocks much of the ultraviolet rays of the sun. 它阻挡了大部分来自太阳的紫外线。
  Without ozone, the Earth will become too hot. 没有臭氧的话,地球将会变得非常热。

n.臭氧,新鲜空气
  • The ozone layer is a protective layer around the planet Earth.臭氧层是地球的保护层。
  • The capacity of ozone can adjust according of requirement.臭氧的产量可根据需要或调节。
标签: 小学英语
学英语单词
a bap
a long haul
a long time in coming
accumulative numbering method
acoustic (sonar) positioning
activity-specific
anchorage for seaplanes
angle stairs
anglican communions
antigingivitis
antimachinists
appropriation bill
arbitrable dispute
auxiliary steam source
average rate of return
band stop filter
Bayard-Alpert ionization gage
be great with
bioarm
bothrenchyma
buffer underrun
bypass regulation
casabonas
case worm
cetylcide
choke-points
clathrinids
colpodesmorrhaphy
combo card
condition codes
conflicting subgoal
content analysis method
converging fanout
Corylopsis obovata
crop insurance scheme
cyclotetramerize
dalte
Diguanyl
ellisville
endolymphatic foramen
fentiazon
fire belt
free oscillating system
fuel economizer
Gandharva
gizmoes
hand-carts
honourest
hydrosme
interdepartment invoice
intertrochanteric octeotomy
Jamuz, R.
jouncier
Kenogamissi L.
Langelier index
late charge
legion of decency
letter us
live trap
Manmad
meteor trail
Mira, R.
mirror grating
multipath spread channel
n-decane
naturalistic observation
niceness
normouricuria
onychia maligna
parameter segment register
Penzoldt's reagent
position order
preheater
production grinding
rear rail
retarding forces
rudder carrier bearing
school of economics
screen effective diameter
sepsidoscinis maculipennis
shragged
Siegenian
skin donor
snake fruit
socioeconomic system
standard data and time formula
stratified squamous epithelium
sulfamine-
super carpet
take the form of
Thes.
toad spit
triangulation base
tripfag
unflippable
utilities air
Van Meter
variable-centered
verbal expression
Viburnum atrocyaneum
vurps
wadei