喉头喷雾器

Elephants dont need cell phones to hold long distance conversations, their deep calls can travel miles. And although humans cant always hear these vocalizations because of their low frequency, elephants produce them using the same mechanism that lets

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(八)月

Actor Michael Douglas has become the international face of throat cancer since he announced he had the disease. The actor says his doctors give him an 80 percent chance of beating the cancer. Michael Douglas didn't speak to reporters at the premiere

发表于:2019-01-14 / 阅读(132) / 评论(0) 分类 VOA标准英语2010年(九)月

Adam's Apple: 喉结 有一个词语叫成长,它会使种子发芽、小树长高,也会让毛头小伙瞬时肩宽臂阔,让黄毛丫头转眼婀娜多姿。不用详细解析,想必您也清楚, Adam's Apple(喉结)亦是成长期第二

发表于:2019-01-21 / 阅读(164) / 评论(0) 分类 英语口语

For adolescent boys, a changing voice that cracks in the middle of a sentence can be a great embarrass-ment. Though embarrassing, a cracking voice is a natural part of adolescent development. As a boy goes through adolescence, his secondary sex chara

发表于:2019-01-22 / 阅读(104) / 评论(0) 分类 英语时差8,16
学英语单词
4-hydroxy-3-methoxyphenylacetic
a burden on
a-spatial
age-at-entry
al-sadr
albees
alkyl etherified resin
altadena
arch blocks
attache of an embassy
azotate
azpeytia maculata
barbed bolt
basso profundoes
be well mounted
bill of charges
black-and-white televisions
blood-chlorides
brush cast
chemiluminescence
chimonanathine
clay mineral group
combined load fatigue testing machine
communication equipment
computer-aided drug design
control valve box
cultural appropriation
daylight controls
dragon bone waterlift
epithelial sheath of Hertwig
ethyl toluate
eucaryons
euryhyaline
excess in reality with pseudo-deficiency symptoms
extra work
family Cricetidae
fernaus
fibre down
flash-back preventer
fluid surface
hardening depth
hegeler roaster
hemia
high level nonprocedure language
Holotrachys
intercomparison test
kinetic ataxia
kisters
length of days
lot tolerance percent defective (ltpd)
Lyubytino
maculopathies
mainline
meliola bambusae atalantiae
message bus
mountain times
multiple spline shaft
network penetration
noninherent
omnibus bill
other expenses budget
oxygen value
pastfixation development
percent set
plain flour
plot elements
potassium hexauranate
programme control of technological process
programmed conflict
pseudoheterothallism
put one's finger in the eye
Pyrrolidinomethyltetracycline
ragged orchids
rake in the money
red-throated pipit
religious tradition
replicated sampling
response window
rope controlled mechanical lift
scale of abscissa
shared responsibility
slope waters
solidified water
speaks of
steroid-resistant
stiffening finish
strain-gauge type pressure transducer
stripper loin
tackle pulley
TD-Ag
thelitis
to give birth to...
total-pressure probe
traditional society
unsubscriber
vasodilatatioin
vernier
very long-chain
water rat
well-ordered subset
who
XOP