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
adamafio
amphimictic, amphimictical
apprinze
arginase
attracts
autocatalysis
automatic step integration method
autoscanning
backup acquisition system
balistidaes
basic metrics
beer parlours
Better Business Bureau
blacklung
break statement
bromet
brostrom
Brφnlund Fd.
buffer unit
Chagall
common hepatica
conference hall
consent settlement
controversiall
corbel out
crack a tidy crust
Crater L.
decretally
diey
do-good
dower
dust content measuring instrument
effective propaganda
equilibrium flash curve
estimate and supplementary estimate
Euphorbia monocyathium
evidently
flag ranks
forest village
four vector
Fullerism
geodetic meridian plane
Gleditschiasaponin
glyparamide
gone-by
gotten a patent for
gottfried wilhelm leibnitzs
Gyolebin
h-m-p
half finished product
heark
heavy wool
high speed powderless etching machine
immunizing potency
isobutyls
jack welch
jet loom
leapt out
live-bearing
LWHR (light water hybrid reactor)
marshmallow
measure of characteristics
Miner County
minor fault
mised pressure turbine
molecular absorption spectrometer
nanophilia
necrophaga
need-based financial aid
neutron mirror
NINJA loans
nonvital pulp
opt-in e-mail
original gross premium income
Otterton
pavement quality measuring instrument
pendulent
play sb false
press button switch
proteosomal
pulse envelope method
pure deformation
Q-joint
reactivated
ringleted
schneiderman
scruncheons
separationist
servo actuator
single acting atomizer
single-action cylinder
Spanish grass
spongistatin
steadman system
steady-state constant
subject-areas
sweet cups
switched output
threadthreaded
Trigonotis cupulifera
trunk transmission line
Yagodninskiy Rayon