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
agricultural chemical pollution
AMOLED
angle spatula
anti-corrosive preparation
asian-indian
ball-tearer
basis capituli
braeburn
bust one's butt
butter pie
carpet burn
carry generate output
ch(e)ilitis
Chin Hills
Chong Khsach
chq. cheque
code number (code no.)
compressibility factor
deshieldings
dollar problem
downtimes
electric signal control
elongation at rupture
fattily
finite superposition
fission product spectrum
fork tone modulation
gas boundary
general acceptance standard
generated sentence
genus pirangas
gradient ratio
grease interceptor
guerrilla theater
hand driven maize sheller
haznawi
heat pump compressor annual energy consumption
hemming machine
heterogeneous strain
high-frontier
hog line
hymenoxys acauliss
hypoatherina valenciennei
immunoproliferative disease
impatienx lasiphyton hook.f.
Indianoid
inoleiomyoma
inspiration
intendencies
intermediate speed pinion
jasco
judicial investigation
jumped slide
Kimuli
lens makers
low-lifer
lumped parameter isolator
marshing
mastoid abscess
mercuric rhodanate
misotheism
nilodin
ocular hypotelorism
of use for
offensive player
pettem
pile on the agony
planetary-scale system
plating residue
powwow (n. america)
principal bearing
ray-control vane
recompence
referent
regist ered cattle
reserve for employee's contributions
right-shoulder
sending out for
sequential process
serpiginous hollow
Shiroi
single parity check code
slip-ring brush
specified percentage decarburization
St Andrew
star-connected motor
tail oil
terminology standard
thel
Timex
Tombling
trapezoidal prism
triphenyl methylation
under-kingdom
unincorporated
unstable colon
vocal organ
wailuku
wu lieh
xerocomus badius
Xiaoqujiu
zooms