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
active immunity
ajaccios
Almyropotamos
Ameca
amedo
angon
average daily calling rate
ball and inner ring assembly
barge to barge transfer
bills drawn under letter of credit
binary to decimal conversion
binnein mor
blowing spray
bomb calorimeters
branches at home and abroad
brick laid with mortar
capricorn beetle
carib woods
chimbley
complete set of eigenstates
contact flange
core and winding assembly
darrayne
disprovide
diverting dam
draw ... up
drift epoch
droseras
electron paramagnetic resonance
europium acetate
exchange volume
field investment
flairing
gemmifications
general call signal
Gentiloni
genus pedilanthuss
global liquidity
gone over
Hai Phong
heat-producing reaction
hflo
independent fault
inlaces
internal fuel
ionic speaker
irreversible circulation
ks-standard loading
latex examination gloves
LAVINIA
lipophilic compound
literatize
Loboc
macrocyclic compounds
metal-semiconductor-metal diode
monosuits
nonpsychological
notched furnace
oil sump tank
pallidofugal
Parafasciolopsis
pass-over offset
pentaradiate
pickup points
Pillsbury, Lake
plaque-infested port
plasma lipids
playdohs
public lawyer
Puccinia epimedii
put one's best foot first
radicicol
ratten-
readmitance
reclaiming by centrifuge
red-shank
relational instruction
resource productivity
sampling length
scare someone out of his wits
seasonal group profile code
settleability test
small wiring
soft corruption
spoliation
steam and gas
stereochemical formula
sun-bathing
suppression hangover time
tax reimbursement for export
thermofocal
tracepoint
tunnel in rock
twofold degeneracy
uncorrugated
unfavorable variance
union colourimeter
wetting of cloth
whidder
Wycakon-G
yudha