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
AC lubricating-oil pump
account receivable discounted
Aegypiidae
Anggana
apoplexed
at one's pleasure
battlements
beccarias
bifunctional catalyst
bit string manipulation
brush raising device
burd
calash top
cillery
clay indicator
complex fold
copepod
counter-jerk
countersteam
crymium
Curepto
curteins
daphnes
debt-pooler
diatomics-in-molecules
dictatorate
downcomerpipe
dunensis
echo-locating
Ethical Culture
facies articularis acromii
fainness
fandubbing
floccing
format description statement
Fort Meade
Gilbert Is.
Googlenope
Guam standard time
head of the department of medical administration
heavy loads
hoity-toities
hypertensive rat
hypsographic feature
icherrhemia
interrogation pulse spacing
Kasabi
kelyphite
khazneh
Kstovskiy Rayon
line ... up
lithocarpolone
loyalest
Megimide
meningoencephalopathy
meter-ton-second
mother culm
necessariest
neffati
negative coupling
Ninole
oval copy
overwhelm
packaged concrete
parascorpaena maculipinnis
phase inequality
platic
preprocessing aid
press stand
rain swept
Rudbeckia serotina
seabourne
secondary sex characters
secret plans
seraphs
shanyuanensis
shoe-cares
short landing
sit-up
socioecology
stickhanding
superior peroneal retinaculum
superregenerative reception
superstatistical
talonid
tichenor
to whitewash
tooth width
two-way vioce-frequency transmission path
umble pie
unfixed-length coding
universal couplings with sealed bearing
user process
vio.
viride
viscerocardiac reflex
wake-forest
warm trough
water-stage recorder well
weakly water-wet
wrought-up
zeroids