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
adesman
AFEB (attached-film expanded bed)
airplot
aliphtic
Amilan
Aminacyl
anelytrous
apse node terms
atrichopogon flaviceps
axotomous iron ore
barbiturate
Bathford
beachgoer
bendieuta creek
bergognones
Bisei
black-backed
Boothia
broadband network module
butyramide
by doing so
capacitance synchronism tolerance
cellulose lacquers
Cephalanthera calcarata
channel-bar
chetlat i.
cis-activating
clifferentiated marketing
coal-gas
composite shipment
container ship insurance
Cornus stolonifera
cremone bolt
crippling load
debenture of hypothec bank
demodulator band filter
denominationalism
dormant species
downmodulated
drill sharpener
duration-limited spectrum
Eisenkies
electro-beam accessed memory
emmenthal cheese
essence of nonsense
functional departmentalization
fusion pseudopolyploidy
genus myxocephaluss
greyce
ground-dwelling
gunk up
half tunnel
high pressure injector
Holly and the Ivy
hydrophilic adsorbent
interior departments
international calorie
l-diketogulonic acid
laudanum
lazy-bed
leter of invitation
lowry model
magneticcore
magnetrometry
Marčana
maximal draw ratio
maxmillien marie isidore de robespierres
measured data
micturitic
morphological examination of sperm
Morton's foot
non locking
nonanaldehyde
nonlinear integration
nuclear-shell theory
obstinative
oil trap
paralabials
partial selected cell
paulo
philosophy of sociology
phorophyte
pre-coat filter
pultrusion process
push-pull microphone
pysan
radar observation system
routine technology
selfrepulsiion
shock absorber compression valve
siemenss
soft plastic bottle
space heat flux
steel-backed bearing alloy
stmona japonica miq.
stump your chalks
temperature-rise period
tightness test
touraine-solente-gole
transapical
vocalic inventory
welcoming committee