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
5-azauracil
ablation necking
absolute gradient
account data
acinar gland
affination number
aggro
altenberg
Atchane, Hamadet el
automated direct access to information
bancoul nut
barium hypophosphate
be in line to do sth
bertranditization
bladel
blasphemeress
body brick
bookmarks
brine-cured
broad sound channel
buysse
Carosino
casing splitter
CDEKC
continental cold high
coo-er
corn whiskies
coronopus didymus
counter-circulation
daacke
David Bremner
dense liquid
diabolized
district train
dream-come-true
ebasco
eichberg
election agent
email appending
episyrphus arcifer
equivalent air volume
face hair crack
fan-clubs
feed friction
Felindre
follow somebody around
glycoforms
head-feed threshing cylinder
heaviness quotient
high frequency sandwich composite
historiographer
hot trephining
hydraulic gate
if gain control
inclined stanchion
insulating sheath
intervising
isoconcentration curve
Kariyangwe
Lake Spring
languaged
loading tank
logical i/o
Mafungabusi Plat.
male reproductive gland
managuas
meniscus tactus
metacarpophalanx
Mitterrandism
move somethin'
musculus intercostalis
Musculus levator labii superioris alaeque nasi
nondream
oberea formososylvia
open diapason
ordinary piece rate method
overstated
peace-marking
peg along
physcomitrium sphaericum
pig beds
pine knots
pneumatic-hydraulic shock absorber
prewash slop
radar approach control system
ragrug
relative adverb
residue-on-evaporation method
rising
Shore Thursday
strain insulator-string
stream oriented
subbituminous a coal
sun spider
systematisation
templet tamper
the edge of a knife
tin-cans
transfer enzyme
tussah silk bleached
unbandages
Wujiapingian Stage