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
学英语单词
a large body of
acquitted
anti-bumping device
applied maths
armed intrusions
auricular points
auxograph
barriers to trade
bed-fast
bespurtle
Caparaó, Sa.do
captured air bubble craft
caucused
Clinton, George
clopimozide
colorimetric standard solution
comparison curves
contract of novation
cost freight and commission
creeping exercise
crest velocity
dailyness
deltaproteobacteria
direct measuring of efficiency
dishpan
distributed hash table
drabbing
electric degress
electrical motor
enqueyntance
essence of beef
fabrianoes
field-slave
fire accident
footwomen
genus Albizia
Gongronema
hardware description language
herbygage
heterogalactosidase
heteropolar bond
Ibifur
iron oil syringe
irregular bedding structure
Kanan R.
Karelianism
keenedged
launch pads
Loss for Detention of Collided Vessel
lot-cloth split
m.ea
main sprue
mathematical tractability
mixed chart type
nonhighway
open a breach in
perpendicularness
phost line
pole embrace
Pozhnya
preeue
preservable term
process context
put on a semblance of
putrifying
quasi-elastic light scattering
raise boring
read-out station
refined plaster
reguerdoning
relaxing period
Saxifraga elatinoides
sculptured
semi-submerged catamaram
sent up
set-up parameter
sharad
steam trap (open float type)
stratum mucosum
subhierarchies
sulfhydryl
Surkhan
taken his life in his hands
tea-thing
teach one's granny how to suck eggs
terminal interface module
thermovac evaporator
thrombotic gangrene
Tikhvinka
time check
tin ore needle
two-piece calotte
Tårup
underhonest
unrebel
urotrygon mundus
vegetarianism
warmth sensation
Wartenberg's phenomenon
win sympathy of
wing man
you are my life