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
a puff
ageadjustment
Amagiyugashima
amphimutation
anaespogonius ochraceofulvus
anharmonic oscillator
anode segment
arakawa
arylmethane dyes
attend with
B.N.O.C.
balances-of-payments problem
beat all to ribands
billy bad ass
body tide
Bristol
campral (acamprosate)
cd-recordable
celestial maser
cesium silicofluoride
chia oil
chilean bonitoes
coagulins
complementary emitter follower
cosmoline
cyca
deesterification
definement
diastrophism
discandied
double layer winding
doughtery
drastic falling prices
economic prediction
eric bana
experientially
expiratory neuron
exuscitate
Falicia
fluorescent x-ray
functional system test
Gavarr
gear head motor
genus Amia
glass spreading rod
Griscom-Russell evaporator
Harper's
high density pressing
holfertite
holiday term
ideal realism
improper accumulation
inbreaths
intensity of laying
intrude upon
janjua
knife break switch
local sender
Mananthes latiflora
microaccelerometer
Montauk daisies
morphoregulation
multilevel regression model
mushroom distilling column
neutron-tight
no-fishing
obturant
original mold
petardeer
photodegraded
photopolymers
physical characteristics of speech
Piceaepollenites
rack my brains
radial crack
radiant heat lamp
radiohalogenation
redirection script
release ampere turns
Scottish Gaelic
segmentum basale posterior
server push
shape-selective catalyst
sierrans
star-crossed
stock control
strepsigonia diluta takamukui
subbottom structure
told
topography reform
train diagram for singletrack
tredecennial
trichinous polymyositis
unlawful meeting
unmelodiousness
upgush
variable length string
vestibule door
washerwoman hand
white buckskin shoes
wraparound error
yule-walker equations