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
acceso
acute arsenical dermatitis
after ventilation
ageless
amnesty law
apcam
arrival and departure sidings
art class
atmospheric attenuation correction
balance of stores sheet
balantidiases
bargin
Baring, Mt.
blade efficiency
buddy breathing
canalis musculotubalis
capital paid-in
carbon detonation supernova model
carcinophorid
Chase,Stuart
clamshell
comm mode
comproch
countersunk head rivet
Crosbie R.
Deutsches Theater
dryness fraction of steam
Ely's sign
engine-driven fuel pump
episcleral space
flathead mullet
free spoken
frustraters
geology of petroleum
glycogenomics
gorka
Göynük Deresi
hypopyge
ice-fish
in-feed grinding
infrared microspectrography
initial turbulence
insectators
intercostal artery
Interest of Self-Preservation
kosmin
koumoue
late cretaceous
lightning rounds
limited application
machine check recording and recovery
marginal bars
medicaled out
metacarpal vein
mortar factor
moveabler
multiplier traveling-wave photodiode
naughtinesses
no goal
on-line environment
one-port network
optical power density
out-thinks
overmore
overmounts
pierced decoration
plumbing discipline
Polog
prednisolone steaglate
printed circuit travelling wave tube
proboscidiform
profit-tax
property of coating
protective diffusion
Pulfrich refractometer
qiran
reserve fund account
resin tanning
resistive film
second triad
Semënovo
stitching warp
strong equivalence principle
superinducible mutant
synthetic resin bond
tensa
tensor geometry
tessellation lines
Theophenyllin
time to turn
top-down approach to investing
transless
tricolic
trisulphated
tschernikit (chernikite)
twelf
unauthorizing
unmarriageable
wilsoniella decipiens
wood-cement concrete slab
zahoor