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
accrued salaries payable
all bank account
amyl chloride
annosity
apparent power loss
appropriation of charge
archcompetitor
ASEP
banded parenchyma
bell push button
billoweth
bingo hall
bradoons
Cameroun, Estuaire du
carded package
cerotic
chassis number
cladene
coalbuster
coherent area
computer taxonomy
coolie hat
correction, error
cyclotron angular velocity
day-work
diphosphouridine
dispertive angle
dissaves
down-shares
drill record
dual band terminal
epihyal ligament
Eptavigor
Eriocaulon brownianum
esaps
fasten and loosen
following features
foramina rotundum
formylacetonitrile
get behind the wheel
hassard
Hensen's cells
Hochgern
hookerae
hydroborates
hygro-stability
implantee
increasing soil moisture content
inner center
iqan
Jirkov
juggernauts
Kishtwar
Krishnai R.
lagattuta
lubricating press
MASP
MaxiCode
Mayor Pablo Lagerenza
net circulation
networks of y-mode communication
no-till
nosed about
ntn, network terminal number.
occidentalol
off ... block
oligomer
open lap
panulirus
parotitis vaccine
peaking unit selection of power system
physical disease
plant electrical output
point micrometer
polaritonics
posha
pure clonic form
radio fanmarker beacon
rate schedule
Roxby
San Camilo
shackle of coupling
shiso
shortest-path routing
soil fixing
sphygmotachograph
subtractive
switching point
tangent ratio
temper parameter
tereshkova
tobacco ringspot virus
transchannel effect
Trojans
unbenefited
unveiled
vertification of cash
Vorstershoop
water travels
weeros
winch worm shaft bushing
yaw probe