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
access point base station
airtours
ambolin
amorphous magnesium alloy
animal haulage
annular section
antenna pedestal
antiverminous
anvil roller
appetite-depressants
aromatic nitration
athagarh (athgarh)
augustinian orders
automatic pause release function
autoreduction
bankeresses
Bilsi
blastoderm
bounded linear operator
bow the knee before somebody
brittle time
can-cap dryer
canales diploici
casimcea r.
column compressor
communication process
composite unconformity
cooperative coordinator
cross-groups
defered assets
descrambling
efficiency engineers
electrical heating method
epicnemis
Eucalytus stellulata
existing problem
external upset
family kyphosidaes
footroom
full out rye terms
funiculose
gamma-control amplifier
have an idea that
healthiness condition
hot water emasculation method
hydrogen-oxygen vent auto-disconnect coupler
in-storest
inner ringless roller bearing
instantaneous recovery
IRFAA
leptomicrognathia
light diesel fuel
lymphoplasmapheresis
matre
mega-electron-volt (mev)
methanethiol
Metlili, Dj.
Mullinville
multiple choice questions
narthogenin
Nashville warblers
net injection volume
new-mades
nicobion
non-communications
notaries public
note and acceptance receivable
NPM (counts per minute)
off-budget entity
on charges of
overload-time control
overturning moment
pass-by-reference
phytocytomine
postanesthetic pneumonia
precipitantly
principal planes
profit-concentration relationships
pseudo-cepheid
random web
rapid action hammer
reduced crude
refrigerated containers
registration control
roale
rotational nuclear states
salsafies
self-winding watch
Shentalinskiy Rayon
SIEBA
single-lever
Sladkovo
static characteristic test of steam turbine governing system
steam and water separation nozzle
Stock repurchase
superstructing
t'ai tsung
text paper
Tinospora capillipes Gagnep
tullgren funnel
wave slowness
wilstein