时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第2册


英语课

   Human Teeth 人的牙齿


  Teeth are the hardest thing in the human body. 牙齿是人体中最坚固的东西。
  They are not made of bone. 它们不是由骨骼构成的。
  They are made of enamel 1, gum and so on. 而是由牙釉质,牙龈等构成的。
  People use teeth when they eat something or tear something. 人们用牙齿吃东西或撕东西。
  How many teeth do people have?  人有多少颗牙呢?
  When they are young, they have 20 teeth. 小时候,人有20颗牙。
  And when they get older, they have 32 teeth all together. 长大后,人总共有32颗牙。

n.珐琅,搪瓷,瓷釉;(牙齿的)珐琅质
  • I chipped the enamel on my front tooth when I fell over.我跌倒时门牙的珐琅质碰碎了。
  • He collected coloured enamel bowls from Yugoslavia.他藏有来自南斯拉夫的彩色搪瓷碗。
标签: 小学英语
学英语单词
Acherontia atropos
acid-alkali cell
advanced research and development activities
air-conditioning equipment
Allen,Richard
allergenic serum allergic serum
alunite rock
anointing massage
Armorican
Arthur unit
as dull as ditchwater
baum pot
bawdinesses
Bergen-Enkheim
Bernois
biaxial stress strain relation
bones of cranium
buttons down
C-section
Calkini
cetylpyridinium chloride
cimexes
cimicifuga racemosas
Combretum wallichii
common mode rejection ratio
conserved
converting
diagrammable
discussing Uganda
dolichopeza (nesopeza) gracillis
dyschromatosisuniversalis
emergency rooms
episodic, episodical
f.t.
fire-breathing
fixed differential reducing valve
flexible trestle
frequency zone
genus begonias
group advance send
half-crystal can relay
handbike
harbor-ucla
hec (header error control)
hemigramma decurrens (hook.) cop.
horn-book
injector razor
Inkom
input/output control structure
insaniate
instantaneous power spectral density
intrasternal
kupramite
labial version
Leikogen
level of position
life-time body burden
miraculously
mispunding pattern
mpsv
Mycobacterium marinum
nursing ground
overtaking accelerating time
Pars tensa
partial expansion
pdag
portable wind profile recording system
power shower
predeposit
pretended to
price-shop
progresoes
ps2
psychogenic fugue
pyrithioxine hydrochloride
reasonableness
receipe
rheumatoid nodules
rock dove
round pearl
Saint-Gilles
sbtc
seadrome floating airport
shafting centre line
specificate
styrene chlorohydrin
subclass Diapsida
sumset
super local cluster of galaxies
superhygrophobicity
temperature loading
temporal sampling theorem
TONNIDEA
tri hydroxyethyl rutoside troxerutin
trusters
ultrasonic analysis
unlaugh
unsupportively
vacuum tube pulser
water-content indicator
worksuit
zoogeographically