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
acoustic theory
allens metal
antiferroelectric material
atomizing nozzle
auxiliary tracer
battle against
Beulah
brunogeierite
buried submarine cable
ceiling cavity
central computer input/output
centralized adaptive routing
child abuse, child-abuse
circuit closure
compensate for the loss
continental divides
contriteness
crack configuration
cross-spall
delayed photoneutron
distributed monitoring engine
dorm-room
edelsons
european fighter aircraft
exchange of equal values
exodic
far-about
flagecidin
form-vibrated concrete
gas liquid equilibrium
general x-radiation
ground mapping
hammerklavier
hematosteon
hollenberg
horse-power requirement
Hubble time
hydrographical surveying
inadmissible strategy
infairs
inter-behaviour
internal ring device
job data flow
katzeff
key-seat milling machine
lanchous
liberation management
living quality
locust
Lotuke, Jab.
made a request
matrix equality
melitensis septicemia
mid-stroke
molecular dispersivity
Moriska
N-acetylphenylalanine
narragansett turkey
negative current
nonindentured
northwests by west
off the premises
offsetting list
olwig
oratorized
outglow
outside vapor deposition process sintering
Pamunkey formation
parallax colourtube
Partry
percier
perpender
pietersen
pig's
plate buffer
positive thread
prepyramidal
proceeded against
pseudohypertrophies
Purkinje's shadows
RVT
Schlosser's treatment
scratchproof
shared server
shelhamers
shellnut
signal lighting
spondyloarthritides
St-Papoul
standard error of estimator
steel link harrow
The brown touch
to weed
toxis
tulumba
tungsten iodide
turbine cycle flow
vibropile
ViruMerz
W. L.
weld depth
wrappin' it up