不平衡

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(71) / 评论(0) 分类 英闻天下

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发表于:2019-02-19 / 阅读(114) / 评论(0) 分类 加州英语分级G6
学英语单词
a pearl of great price
after acquired clause bonds
amperemetres
animal helminthology
animal oil and fat
anterior maxillary osteotomy
apotheosize
ascochyta hortorum (speg.)smith
azopropazone
beta testing
biologicals
Birch-Hirschfeld's method
blakemores
boffin
brown lead doxide
bubble forming
cenlerline of berth
charlotte cordays
Chilete
chuvashskaya respublika (chuvashia)
complementary interval
composed-text data stream
compunctiousness
contraction of money supply
control rocket
cypripedium fasciculatums
decrement working
defect of physiognomy
demifine
diethoxy
directly grounded
do wonders for
drusilla
ear disease
eichorn
electric hydraulic spreader
evervthing
external ophthalmic artery
family ranidaes
fan-topped pediment
Farewell, C.
free hit
fully-graded aggregate
furnituremaker
gas tight bulk head
gaseous waste
genus gorgonocephaluss
grainily
have it over sb
have one's tonsils out
hay rake
hydraulic rotary drill
intact ship
internal clearance
Jabroni
JIP60
landwind
loss outstanding
lyng
malonylurea
manganese(ii) sulfate
massive necrosis
mating season
metacmpile
microcomputer based instrument
Murano, Isola di
neo-absentol
neolitsea buisanensis sutsuoensis
non-structural core
Onanoff's sign
open verdicts
optimific
parallel resonance impedance
partially consistent observation
percomorph
plunger elevator
postcoital test
postfeminist
potentiostatic method
prediagenesis
pricing procedure
primary membrane stress
public utility services
pull
rathlin
re-injury
reciprocatingfeed pump
reduction elimination
regenerated yarn
releasing claw
Rhamnus L.
Sennockian
servo-actuated regulating system
sliding null
snowy habenaria
super bundle arrangement
undescended testes
valve gear member
Waarschoot
wastoids
wiper