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
4-Homosulfanilamide
achievement indicator
Adagum
ahus
amp. hr.
Anglophile, Anglophil
anhydrous amonia
Arabised
be aflame with lights
bra top
bulkhead flapper
calcium glutamate
cargo oil branch pipe
causal method
cepacol
Cerete
cervigram
channeled upland
chigoe flea
circular rise
clashe
combustion line
compactifications
coon-skin caps
cost-free
cutoff apron
D. P. P.
d.o.a.
delapses
dental stress analysis
descending part
desmeninol
differential rate
diversly
echolocate
epithreshold energy
ex-king
exhaust temperature indicator
fiber attenuation coefficient
Gentiana farreri
gooseneck machine
gouraud
halagogue
half man power
hanging ladder
Hesperomyinae
high level tank
high temperature sensor
Hispanicizes
hoopajoop
Houdryforming
input digital data
intimate contact
KOin' us
landing door jamb
laser guided dispenser munition
makam
minimal change nephrosis
mobile home
morini
mycosphaerella tabifica prillieux et delacroix
myofibroblasts
nesocaedius vermiculus
neustadts
on-disks
opticality
Parvathy
penicillium cyclopium westendrop
Phlyctenar
photomultiplie
polyautomata
prestored information
repricing
rock fragmentation by electrohydraulic effect
scrooging
sea damaged terms
sea-side
security card
selector valve
sensitive information network
sewage-disposal plant
shielding
softifume
species nova inedita
stored away
syncolin
takeshis
tandem-wheeled spreader
tissue kinetics
tobramycin sulfate
tonoas (dublon i.)
top-rate
total theatre
tubercularias
unmanfully
unsymmetrical short-circuit
V.M.T.
voices over
wellfleets
whompage
yeled
Zech.