[网络] 振动供料器飞达;震动供给装置;振动送料机

More than half of U.S. households provide food for birds. It's a billion dollar industry. Now a study asks whether the same feeders that attract birds also attract predators that eat the eggs and newly hatched nestlings of those birds. We imagined th

发表于:2018-12-24 / 阅读(30) / 评论(0) 分类 2017年Scientific American(一)月

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(33) / 评论(0) 分类 英语情景对话-健康

Ever since young Stiggs coming from that unfort'nt v'y'ge of his, when he was gone four years and a half, with only three barrels of ile, 自从那位可怜的小伙子斯替格死在客房里以后,唉,他出海四年半,只带回三桶鱼杂碎

发表于:2019-01-29 / 阅读(32) / 评论(0) 分类 白鲸记

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

发表于:2019-01-30 / 阅读(152) / 评论(0) 分类 60秒科学

Just as a clam came out to bask in the sun a snipe pecked at its flesh.The clam closed its shell and squeezed the snipe's beak.If it does not rain today and it does not rain tomorrow,you will be a dead clam,said the snipe.If you cannot free

发表于:2019-02-05 / 阅读(82) / 评论(0) 分类 趣味英语

Because it's dangerous, says she. 因为这是很危险的,她说。 Ever since young Stiggs coming from that unfort'nt v'y'ge of his, when he was gone four years and a half, with only three barrels of ile, 打那回,打那个叫做斯梯格的小伙子

发表于:2019-02-25 / 阅读(49) / 评论(0) 分类 白鲸记
学英语单词
.aero
accessory thymus
Aegean Islands
apophysitis calcanei
arvenses
beat my brains out
bonesetter
cachemic
calendarer
center opening two speed door
certificate of transfer
Chongsheng trough basin
Colina do Norte
cooeying
crush-resistant velvet
dangle-berries
Daruvar
decadrons
density of holes
diabase lining
digital object identifier
diphenylimidazolidin-4-one
disseason
double action mechanical press
drill and turning tool holder
efficiency of electro-heat installation
Eliante
estimated reserves
extreme continental climate
familial lecithin cholesterol acyltransferase deficiency
family asclepiadaceaes
fixed contact
follow up action
frattier
functional memory
Gemara
glass insulating material
good will entertaining
graphics access method
halcyonian
hammock activity
have no clue
heat propagation
hoeful
hypernephromas
hypostomatal
inner dead-centre
iron(iii) iodide
Jewlessness
job lot production
lateral vibration of shafting
law of large number
lgv
main engine bollard test
make use of
Manzanal, Pto.del
mcalesters
mechanical pyrometer
mol ratio
molluscacidal
morus atropurpurea roxb.
non-linear conductor
NSC-296934
nucleophilic group
number-cruncher
optimum bias
overearnest
paleontologies
petalonine
pole changing
power interchange
Pteleos
Rallus
rastrelliger chrysozonus
rough part
rowwhyn
rubella vaccine
run across sb
Saint Leonard
sakaran
screw you
Scrophularia mapienesis
sectional centre
single roll stripper
solid outer ring
square socket
squiggled
suspender clip
Sǎbǎoani
taneys
tension-test
thuc
Townsend Harris
tracheal gland
trancester
transmetatarsal
tupi-guaranis
uil
uneerily
Wakaya
weight per unit power
Wiesenbach