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
achromatosis
acquisition cession
agate bearing
al-hasan ibn al-haythams
Alpinia densibracteata
amarjits
aptotes
assessment of time preference
attenazio
AURPO
autoinducible enzyme
available space list
aviling
bala
be said to
be sparing of oneself
bipolaron
bird-songs
boiling water
Bouvet Fracture Zone
capping shutter
clearer belt
clunged
commissorial
continuous current rating
coprime
costusroots
Cryptochilum
DDR5
Druzbice
dual dimensioning
earth's polar radius
eke out one's livelihood
El Viso del Alcor
electric press
electrical resistance alloys
enterovaccine
erythrocytic segment
evaporating heating surface
feeldevice
fiato
finder screen
forward welding
g.z
genus Mikania
geologic joint
giant magnetoresistance materials (gmr)
gynostemma pedatum bl.
hematophyte
incasing
Isometrum leucanthum
Johnson counter
jurier
kachin
knife lever
konon
Lambeth walk
Lassar's paste
ligamenta tibiofibulare medium
logwood trees
lower confluent acupoint
marine bottom proton sampler
MCMLXXXIV
medium pacers
medium plate
microprogrammed subroutine
mouthguards
multiplication algebras of matric
Namyu
neuroanatomies
Olives, Mount of
phasic difference
pine-forest
pini-
platypezids
POADS
pollywog
Pont-de-Salars
predictive engineering
retained foreign currency account
screefing
Skoptsi
Smokey-the-Bear
sod formation
south bound node
stable oscillation
stefanovic
symmetrical system
temper current
the big enchilada
theological
thread tree
time series analysis method
totem pole
toxic uveitis
train it
tree cabash
unit labor cost index
uronterin
vehicle fuel saving technique
yearly
yellow-throated martens