时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第6册


英语课

   Gravity 1 重力


  What happens if you drop a book? 如果你丢一本书会发生什么?
  Absolutely, it will fall down to the floor. This is called gravity. 很显然,书会掉到地上。这就叫做重力。
  Gravity pulls from the center of the Earth. 地心引力来自于地球中心。
  So things fall down to the ground because of gravity. 所以,物体落在地面上都是因为重力。
  Do you know what would happen without gravity? 你知道没有重力会怎么样吗?
  Everything would float around in the air. 所有物体都会漂浮在空中。
  When you fly high away from the Earth into space, you will float around. 当你飞离地球到太空时,你就会漂浮起来。

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
98
acidity
aerosol food
afghanistani
alloy irons
antibiolumphin
ashpan blower valve
automatic assembly
avi cable
bakeout degassing clamp
birchleaf pear
body-curved disease
bodywood
bottom relief map
Bozeman's position
bridge cloth
bullock blocks
bushing electric
call accepted signal
chondriomere
Cirbanal
close set
color constants
comebackers
commodity wastage
correptions
courier bag
Cunaxa
departmentation by process or equipment
electronic fire-control equipment
element name
encoded fields
end of astronomical evening twilight
engine pod
ensampling
epss network
featurism
ferret distemper virus
fiber-map
full electronic switching
gallucci
general-purpose diagnostic program
geographical north
geospatial engineering
glowfly
haberse
hardware stage
hexagonal mirror
hot penetration construction
Hudsonian godwit
Immobilon
interstitial distance (mather 1936)
investigation on audience
Krasnaya Polyana
layer-wound solenoid
leather loader
limestone neutralization treatment
maximal tubular excretory capacity
melanedema
natural rate of unemployment
nerr
non-coplanar transfer
norvasc
nosedives
OMR (optical mark reader)
optically positive
over bridges
partner with
Pashtunwali
patung series
paving stone degeneration of retina
permanent magnet moving coil meter
pivoted bucket carrier
plantar spaces
plunged into
prince fumimaro konoyes
prodan
psychoanalytical theory
Pterocles
pyrophoric lead
raw material of woodcharcaol
roller chamfer
schwab
Scythians
sequentially-lobed radar
signal smoke
signe de peau d'orange
slugft
So it goes
sp vol
spin space
Stackelberg decision theory
swansea
tandem electrostatic generator
terry swatch
the leaflets of the trifoliolate leaves
topochemical control
variable acceptance sampling
viscosity model
Warenford
weighing-appliance
zeomorphis