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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-souled
abstract(ion) symbol
active prominence region (apr)
Addison'sdisease
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age of receivables
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anchor band
anisyl aidehyde
Bambari
bendir
boiler furnaces
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bybrid-pi equivalent
calycanthaceaes
carriage contract
carriage tare weight
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characteropathies
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complained
control valve of air passage
counter for one arm strangle from rear
crda (control rod drop accident)
crustal strain
Cryptothelea minuscula
Daidaihua
diagnostic and statistical manual of mental disorders (dsm)
do honour to someone
Doctor Dolittle
driving spindle
electrobasography
electronic toll collection (etc)
fluoroboric acids
fly jib extension
forelying
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genus Hydrochoerus
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glass shaper
Hawaiian high
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hydrated water
hypothec bank
impacted fractures
inversion of phenolsulfonphthalein excretion
Jastarnia
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keep open doors
kiejman
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MICV
mind-bending
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online complex processing
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play a wrong card
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productive capacity of pellet feed processing machine
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ramp sth up
register information of bidding unit
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retorsion
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rock-bolted crane beam
rough sea resistance
rubber
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saruallis kahawaluokalani
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stariest
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