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
affective state
Agto
amount assured
analogous colours
annuity in advance
apparent valence
appertainment
be run-down
Beopjusa
binoquercetin
blank transfer
boolean matrix representation
boron-oxygen
caribou r.
Chaco nothura
choriodecidua
cosmetic medical psychology
course pull
d-md
direct frequency modulation
doty
eat like a bird
el harrach (maison carree)
electric black insulation tape
electrolytic mold cleaning
Emerging Market Economy
end-expiratory
Ethernet switch
exposure control
fairy floss
fangoria
flow-concentration in river basin
glass state
group experience
GWI
gyromagnetic coupler
hand brake bell crank
hand-medow
heatherwood
hypaque sodium
in haec foedera non venimus
initial diagnostics
insulator type current transformator
intestinal digestion
itm
Jesuits' balsam
jeter
Kaep'ung-gun
Kazakhstan, Republic of
King of Prussia
lava tumulus
lead extruding press
Ligamentum suspensorium clitoridis
lullabying
luminosity evolution
media watch
medial condyle of femur
mesencephala
mesogynial plate
metathoracic somite
microlasers
mischannels
monan
Musculus ischiocavernosus
nonconservative force
nondusting
note for a term
Nyula
Orthophos
outside market dynamics
parred me
passive-guide missile
Perseae
Phormium tenax
plowmpe
power-control rod
prostatic needle
Protopteridaceae
pseudokinases
pub-goer
quenching of fluorescence
relationship commodity price
revealingly
Sagar Island
sergeyevich
shred scrap
sideglancing
sit in for sb
slave relay
split someone's ears
sports jacket
stretch reducer
structural change
Tianjing
transit telegram
two party paper
undeclared commission
velific
vocalization
waqfs
What then?