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
239Pu
a. gastroepiploica dextra
acceptability of risk
ad val.
additive colour
adsorbed tracer
agitator joint shaft
allantoicases
allowable punching shear
asthenopia
Aulanys
autocat
bomu (mbomou)
bridge control request push button
broadviews
Brond.
calcium hydrogen carbonate
cathode transformator
central office cable
Chaves County
Chlorthiazide
cisgene
continuously stirred tank reactor
contract extension
cost table
creaming quality
crystal gain
cytisus multifloruss
delay output equip
drink shop
dry month
Dzhagaryn
economic news
effective angle of obliquity
empirical studies
enwombing
equal interval light
exhaust yourself
exhausted resin
fauch
fishery protection cruiser
fixed yoke
flesh sth out
foreign colour
genus acrocliniums
geostrophic transport
Gerecse
gingival shrinkage
grease-making
hevesies
jeepneys
kalumpit
kaohsiung
Kapa'au
kolb
Kotel'nyy, Ostrov
louises
make no doubt
malleableness
management accounting problem
market researcher
Merthiolate
Mesellemiya
metallgesellschafts
microthrmometer
moving blade shuttle
multi-purpose clearing solution
non-coagulant
noneism
nonscholastic
nonwildlife
outer coarse fiber
partial read pulse
penicillium miczynskii
plantation white sugar
precurosor
price index number of agricultural product purchase
proeve
proteogenic
pulsed bending magnet
radioluminescent phosphor
reconfiguration console
reinfecta
row format
rowlock cheek
Sarcosperma laurinum
side-cutter gauging
st paul's cathedral
standard sum term
structured protection
subestrus
suborder megalopteras
surface active substance
Susobana-gawa
TDANA
the-clap
thiozine
try an experiment in
ultrashort-pulse
valued policies
water in which rice has been washed
wellfields