时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第5册


英语课

   Fossil 化石


  Fossils are the ramains of animals or plants. 化石是动物或植物的遗骸。
  They are usually inside of rocks. 它们通常在岩体内。
  They are typically more than ten thousand years old. 它们通常有一万多年的历史。
  Fossils are made by sudden changes on the Earth, like volcanoes and tsunamis 1. 化石由发生在地球上的突变形成的,比如火山和海啸。
  Animals and plants are buried in soil by the sudden changes. 动物和植物因这样的突变而被埋在了土壤中。
  Then, they become rocks. 然后,它们就变成了岩石。
  The oldest fossil is about 4 billion years old. 最古老的化石约有40亿年的历史。

n.海啸( tsunami的名词复数 )
  • Our oceans are alive with earthquakes, volcanoes, and more recently, tsunamis. 海中充满着地震、火山,包括最近发生的海啸。 来自常春藤生活英语杂志-2006年2月号
  • Please tell me something more about tsunamis! 请您给我讲讲海啸吧! 来自辞典例句
标签: 小学英语
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'Atbāy
adjustment columns
agoraphilia
air-cock
anionic cycloaddition
Aryanizations
asmatographers
baby carrot
bestad
boiler water forced circulating pump
bore expansion
BOSG
bought-in components
broken circuit
broken pieces
carbon paint
carrot sorter
chored
Cloncurry
Cock Lorel
commercial depression
common memory information transfer
compiler implementation
CTCP
dickason
dideoxyadenosine triphosphate
digital journalism
Dillsburg
ecophysiology
emphasizable
Eucalyptus punctata
Executive method.
expected departure time
facultative mutualism
fascisti
fast oscillating watch
finput
fuel account
geostatic pressure
gerontotoxon lentis
glands of moll
gravity slope
grind out an oath
guillotine tuner
hairstyler
historicization
Hooker extrusion method
Important Gulf
income from wages and salaries
indigo carmino
ischaemic
Kaliua
kerasine (phosqenite)
livelong day
me-and
Melt your heart
misassembled
misbuilding
monochrouic
mousily
msma
multirange analyzer
neuroretinas
number-letter
objective idealism
off against
on loan
out-throw
perceived benefit of action
pesen
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preinvasive carcinoma
pseudo-feedback inhibition
quite good
reinterns
riftogenesis
rotgesicht
salmonids
second mover
Senetosa, Capu di
sequence of current
signal topmast
sine squared pulse and bar signal
sodger
soup du jour
standard fresh water
standard operation move time
steepest descent algorithm
stretcher off
style object
tamperer
tartanizing
time multiplexed system
tramosericeous
transient laser behaviour
tuliokite
usal
varnished cloth tape
visible spectrophotometry
voidable act
wonderful tonight