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
al - si alloy
alpenhorns
annual land tax
anogenital space
appetisingness
assistance of counsel
Auropan
base metal couple
begazed
big-foot
blue-and-green decorative painting
boracic lake
bowringpet (bangarapet)
Brkt.
C14
calumba
care of equipment
centrarchidaes
chlordan
clefs
climbing fumitory
complementizer
convalidations
convex arc
curved valley function
d'agostino
data associative message
dicap storage
disestablishmentarian
epulary
expected departure time (edt)
fenestrates
file tag in
form into
frame inclination
friction sleeve
full-colour
gannetries
Glebionis
grouped data
guaranty principal
haeseler
having
hazard property
head plate
hot-water circulation pipe
jenins
junkanoos
lopsided trade
low-loss silica fiber
maniure
matrix game
metatympanic bone (or entotympanic bone)
millgram
model of propellant
monstery
motor fuel
nationality areas
NovaNET
optical fiber design
optical fiber transducers
organic paralyses
out of command light
oxametacin
pace tua
peak workload period
Permo-Carboniferous
pleomorph
post results
postprogram controlled interrupt
potassuril
protoalkaloid
pyrathiazine
pyrovanadate
reader type
reflection principle
removal firms
Reporting Level
rock and rolls
rotary trencher
rumplier
rush-ring
sandwich man
Seriphidium brevifolium
Shavaughn
so longs
solanone
spiral angle
stationers
tardy rickets
thranius formosanus
through traffic
underlying alluvial soil
uniform strain
unroofed coronary sinus syndrome
V. D. H.
variable length record
venous stripping
wanniski
white hog
wristwatches
zoth