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
2-Propen-1-ol
6-AZU
afoot
agencies
agent nouns
ailurus fulgenss
air cleaning unit
allocation of service department
angulus sternalis
asovskite
astrachan
backmounted
brohanski
burring mill
caffeoyl
Capsicum annuum longum
cases
chalfie
cinnamyl cocaine
circumscribed atrophy of brain
Claudius's method
cloudless sulphur
colossal profits
conclusion of the award
conditional stability
Conophytum
conversion planning
cottoning on
counter-draw
counterdevice
crab-skuit
dauberville
diesel-electric railway car
dioxy-phenyl-acetic acid
down-slopes
Drying-oil
effective component
emotionally-charged
energy conservation law of
equivalent braking force
essexite diorite
extraordinary sacrifice
first episode
flame sensing device
foureyes
Gapyong
globalization
heated globe thermometer
hock money
hollow atom
integrated leaf amount
internal cremaster of Henle
into one's shell
laugh in sb.'s face
left associative operator
leiomyosarcomata
leodegars
logical equivalence
make someone open his eyes
malum Potti
mato
mechanical shifter
median raphe cyst
melanogenic
micrococcal
mid-oceanic island
Mikorzyn
non metallic bearing
optical transparency
photogrammetric survey
physalosporella stephaniae
physiological measure
piston (pneumatic)
polydichloro-p-xylene
premonstrates
price ordinance
protobacterium
quebec diamond
reaction potency
reland
response distance
rolling waves
rotary-shear
Ruysch's membrane
schizosis
senttuary
simple relational query language
snifflings
stock book
straight faces
subclass amphineuras
subtotal laryngectomy
T Off
taiwania cryptomerioides hay.
talaromyces flavus macrosporus
time limit failure
tise
UVPC
virion
water closing
wateringpot perineum
ybarred