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
abnegation of self
Administration of State Owned Assets
age-corrected basis
aircraft approach light
angle of forwardswept
angustmycin
anti-aidss
auto-brake
autodestruction
basiles
Black Tai
brake counter weight
brief-
butching
byte space
commit a solecism
computational condition
contingency plans and emergency procedures manual
cut open test
double crank shaft engine
drum rotary mower
electric crane weighing machine
ennery
filter leaf for residual
final exam
flame-profiling machine
frangi
front shot
gallberry
gas-diffusion electrode
general-cargo rate
geseous insulator
horae (ancient greece)
horizontal dipole
implicit Euler method
import announcement
install winnower
interpenetrating polymer networks
jaxey
jute bag grasping
kossack
Lanchester equation
lead layer
less developed
lobelanine
ma nishtana
macrocomputers
memory oriented system
metalworking machinery
microangiographically
microcallus
monochromatic system
monogomous
motor sailing vessel
nature-lovers
net of tax income
nossa senhora
open communion
orthopyroxene
outstanding orders
palena
parallel current system
pleiadenyl
pleurosternals
processed rubber
Putiphar
quicktime
railway rail
remunerator
Rhêmes-St-Georges
ribbon path
rortiest
Rungsted
rushees
sagomore
sale literature
salvo jure
schollenen
shark sucker
ship skin
signaling device
single-disk opener
smuttily
socking out
soft-pedals
soiled cocoon
space-based attack alarm system
Spiriva
spool stand
stabled
stink in the nostrils of someone
storeworker
subtropical-easterlies index
survey of gender equality in employment and management
tip of propeller
tripterygion fasciatum
turbulent shear flow
ultra long wave
unmelodiousness
vernonia cinerea less.
vinyl records
zwa