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

   Moon 月球


  Do you have any idea how big the moon is? 你知道月球有多大吗?
  The moon's radius 1 is 1737 kilometers. 月球的半径长1737千米。
  This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。
  The distance between the Earth and the moon is about 384000 kilometers. 地球与月球之间的距离约384000千米。
  Gravity 2 on the moon is much less than that on Earth. 月球上的重力远比地球上小。
  Therefore, you body weight will be just one sixth if you go to the moon. 因此,你在月球上的体重只有地球上的六分之一。
  The first person on the moon was Neil Armstrong on July 21, 1969. 1969年7月21日,尼尔·阿姆斯特朗成为登月第一人。

n.半径,半径范围;有效航程,范围,界限
  • He has visited every shop within a radius of two miles.周围两英里以内的店铺他都去过。
  • We are measuring the radius of the circle.我们正在测量圆的半径。
n.重力,引力,地心引力
  • An apple falls down because of gravity.由于重力的关系,苹果往下掉。
  • The stone rolled down the mountain by gravity.这块石头由于重力作用而滚下山。
标签: 小学英语
学英语单词
ace a test
air turbine motor
anoid barometer
articulator
automatization of train operation
backup volume
beneath one's dignity
Benstorf
bitloss
branch inductance matrix
bull calf
characteristic value
cleistogene
Copehan
curtnesses
cyclospondylous vertebra
Darreh Garm
direct assessment
dnipropetrovsks
dolicholatirus lancea
doped crystal
dornin
dressing-tables
ecphronia
electrophoretic light scattering
exceptionist
expanding drum coiler
fabric geometry
fall upon
fishing-rod
flakes
Fochier's abscess
forcing houses
fuse cross section
gauzing
generalized projection
giri
go on the burst
guarantee deposit received
IM bot
in a bad humour
inch of candle
insetting machine
interactive data analysis language
intrinsic parity!
isotropic flux
jamesonite
jandt
Kabenung L.
killed
labyrinth baffle
laser plummet
liduid electrooptic cell
local people's court
location factors
maple syrup and maple sugar
mcmorris
memory cache
MOSRAM MOS (random access memory)
motorial
Napinka
natural-uranium fission chamber
neolucanus swinhoei
nonuniversalist
oscillating batch charger
pawed
periscope automatic stellite navigator
permission indication
pohnpei (ponape i.)
porpoising
projec
pterygopalatine nerve
Pycreus lijiangensis
reasoned discourse
reverse power dissipation
ring frame
salvage hawser
santacruzs
South American wool
Spartium L.
state-subsidized
steering gear tube cam
steppa genuina
stobart
straw stacker
Suxamidofyllinum
take on ourselves
talk-show
tape probe
tension stud bushing
terpsichore (greece)
the Ancient of Days
track hole
treatment conditions
triangular-type gate
unix to unix network
unrandy
urate crystal
vegetable ivories
vehicle diagnosis
wire whipper