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
absorbed-dose rate
acetylene reduction
agmen
aids-like
Ailly-le-Haut-Clocher
air-tight packing
allegoric
approximately upper continuous
automatic water gauge
Aydyrlinskiy
Bataisk
be in sth for the long haul
Bernoulli formula
best datum
bewailful
Boas' test
boresight camera
bus isolation mode
calculation syntax
catastro-fuck
Caňar, Pro.de
Chelyabinskaya Oblast'
chrome vanadium steel
correlational analyses
covert coverage
cuisia
cytofibril
Damn him!
dermonema virens
devilized
dichotomising
DOPA,dopa
double strength
double tops
draw-bar guidance
ecology of community
encryption based protection protocol
estatuto
family of characteristics
fetchin
flotation plant
foreign owned enterprise
genoblasts
Hausdorffness
have a word with someone
Hmongic
human resources accounting
humouredly
IAA
individual sponsored dependent
individuify
inductor form
intermediate range ballistic missile
intrusive r
Jetait
kiln-marked brick
layout pass
lovery
lungless salamanders
made a list of
mangerite facies
media chip
Menhydrinate
Metrozole
minimum subcooled temperature
Mongla
nodding groundsels
operate on
overhead economy
pilot chart of inland waterway
piss-elegance
pitrilysin
plate wire
progressive chart
RADA (random access discrete address)
rational spectrum
read-through
refining with adsorbents
registered bond
relative wave elevation
retaining pay
sales record
self-centering shaker
selinenol
special investigation
speed skiing
statisitic inhomogeneous medium
suspend lock
suspended-animation
tahoka daisies
take to the air
teletubby
terrestriss
Tiselius apparatus
Tremandra
tripod leg construction
turning circle diameter
unrepressable
up-side-down flight
waste recovery
Wiedemann ffect
withweed