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
ability of equalization
accessory design specification
address-read wire
Adraskan
Anastasius the Librarian
antibiotic cream
arci
attenuant
average transinformation rate
bafs
ballast renewal
barlow l.
beat cop
bidirectional search with equal speed
Bruegel,Pieter (the Younger)
cab-rank patrol
camber correction
capillary oiler
capture area
celestial vault
chart of nuclides
coined names
cone of depression
conjugate fissures
control spectification
cordis bulbus
crounse
cyanic
cynoglossum
defense advanced research project agency (darpa)
dislocated shoulder
distresseth
disuse handicap
dutiable commodities permit
dyelines
endangerings
fastness to boiling acid
flank eruption
Flunamin
foam value
foramina infraorbitale
four-stage tandem accelerator
freight transport quality
fruit tart
garsia
gender stability
give someone a bad turn
glomerulonephropathy
Goff
halophyte salt-dilution
heat of supercooling
high water level diagram
human rights movement
hydraulic oil accoumulator
hydrophobia skunk
Iggesund
iracund
judios
kallikak
L'Enfant
laevigatoside
langlaufers
Mackinaw coating
maneuvering propeller
middle income group
MIDGLEY
module connective language
multiprocessor computer organization
nelder
newton cooling law
oblique layer muscle
phenoxanthein
Phineas Taylor Barnum
photographic information
photoradiations
pignon-ernest
plumbing staff
prehalter
President Thiers Bank
rapid plasma reagin
reaction distance
rudder cross-head
salomea
self handicapping strategy
set adrift
severity level
spellchecked
spring hole
start up costs
statistical gaps
subcultivate
suture parieto-frontal
traffic sociology
turgidity
two-line octave
typewriter carriages
Vegantin
waveguide loss
went the extra mile
wisell
word-time rate
Xiaoqujiu