[医] 幼虫芽胞杆菌, 短芽胞杆菌

Lots of studies suggested limited quantities of alcohol, like one drink a day can benefit your cardiovascular helth. But for the tiny worm C. elegans, dilute b is a valuable f of ease. It actually doubles their lifespan, according to a study in the j

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. How do baby coral find a new home in the open ocean? They listenvery closelyfor reef sounds. Scientists at the University of Bristol in England had alrea

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(五)月

Pachyrhynchus weevils are found on most islands in the eastern Pacific Ocean. If these weevils could fly, that would not be surprising. But they cannot. 在东太平洋的大部分岛屿中都发现了球背象鼻虫。如果这些象鼻虫会飞的话

发表于:2018-12-31 / 阅读(117) / 评论(0) 分类 经济学人科技系列

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(149) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific Americans' 60-Second Science. Im Cynthia Graber. Thisll just take a minute. When is an ant like a piece of fruit? When its infected by a parasite. Researchers affiliated with the Smithsonian Tropical Research Institute discovered t

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(二)月

Fruit flies are pretty small. But they laugh at a species of fly recently discovered in Thailand. Dubbed Euryplatea nanaknihali, this member of the phorid fly family is less than half a millimeter longa fifth the size of a fruit fly. But before you o

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(二)月

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(254) / 评论(0) 分类 英文语法词汇

This is the VOA Special English Agriculture Report. A beetle invasion in the United States has killed at least twenty million ash trees. The invasion of the emerald ash borer was first discovered near Detroit, Michigan, in two thousand two. Experts b

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 VOA慢速英语2007年(二)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a plan to stop the disease malaria in Africa by twenty fifteen. We will also tell about a change of leade

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 VOA慢速英语2008(十)月

Oysters Return to New Yorks Great South Bay 牡蛎又回到纽约大南湾 The Blue Point oyster is returning to the Great South Bay of New York after almost disappearing from the world marketplace. Over-farming, pollution and Hurricane Sandy had sev

发表于:2019-01-12 / 阅读(111) / 评论(0) 分类 2015年VOA慢速英语(七)月

For centuries, people have consumed bugs, everything from beetles to caterpillars, locusts, grasshoppers, termites, and dragonflies. 几世纪以来,人类都在食用各种虫子,从甲虫到毛毛虫、蝗虫、蚱蜢、白蚁再到蜻蜓。 Th

发表于:2019-01-17 / 阅读(107) / 评论(0) 分类 TED演讲教育篇

Insect exoskeletons also work like body armor, 昆虫的外骨骼就像保护身体的盔甲一样 protecting insects against the outside world and helping them cope with habitats that other creatures can't. 抵御外部环境的伤害,帮助它们应

发表于:2019-01-17 / 阅读(149) / 评论(0) 分类 TED演讲教育篇

Bugs can be eaten whole to make up a meal or ground into flour, powder, and paste to add to food. 虫子能够被整个食用,或者被研磨成细粉粗粉和糊状来加在食物里。 But it's not all about taste. They're also healthy. 虫子不只

发表于:2019-01-17 / 阅读(146) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT - Insects Eating Your Crops? Call on a LadybugBy Mario Ritter Broadcast: Tuesday, April 11, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There are lots of i

发表于:2019-01-30 / 阅读(115) / 评论(0) 分类 2006年慢速英语(四)月

A Tasmanian farmer-couple recently discovered what might just be the worlds woolliest sheep. Theyve named the super-fluffy creature Shaun. As it turns out, Shaun has never had his coat cut, and it is at least half-a-meter thick now. In fact he appear

发表于:2019-02-03 / 阅读(132) / 评论(0) 分类 英语新闻

TAIPEI, Sept. 16 (Xinhua) -- The public has been called on to prevent dengue fever in Taiwan as the number of cases breaks 10,000 across the island. From the start of summer to Wednesday, the number of dengue fever cases has climbed to 10,384, with 9

发表于:2019-02-07 / 阅读(154) / 评论(0) 分类 英语新闻

Forget Nessie: there's another insidious creature living in the waters of Scotland. The story starts in the streams and lakes of the northwestern United States, where North American signal crayfish are a familiar sight. Turn over a rock and you may w

发表于:2019-02-07 / 阅读(104) / 评论(0) 分类 英语新闻

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性(的) anion 阴离子 annual 一年生植物,一季生植物 anther 花粉囊,花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(240) / 评论(0) 分类 英文语法词汇

【英文原文】 Sometimes the biggest finds are the smallest finds. Researchers examining a segment of siltstone taken from ground along the Beardmore glacier in Antarctica found something unexpected. They found a fly. Well, not exactly a fly. The

发表于:2019-02-16 / 阅读(124) / 评论(0) 分类 英语听力广播—Listening
学英语单词
2-Formaldoxine-pyridinemethyliodide
A. D. R.
accidental ejector
accumulator charger
active accumulated temperature
aircrewman
alkaline attack
area subcallosa
autochthonous idea
ayal
babydom
banwurt
be hung over
bentwaters
big chill
biosteritron
blastogenetic
cadmium yelow
capability margin
Cardamist
Chiaux
class chrysophyceaes
cobamide
cogil
combined selection
company with
compass circle
CoolTalker
crash hot
Deerfield Beach
dense index
diordinal crochets
distributed data system
dolichoesophagus
ecclesias
Eskdale
exporter of primary product
foreign exchange bank
fossilizes
high vacuum heat insulation
hubby
I take your point.
immature spirits
Jeans, Sir James
jump off autogiro
kainits
Karacaköy
key bounce
lubrication apparatus
mammaluke
marteks
maximum entropy spectrum estimation
Messincourt
mordant assistant
motor boat
newry and mourne
non-coherent transponder
nontheist
Nosodendridae
Oexamine
orb-weaving spider
oxetacillin
pectinellus
pine oleoresin
power aid
preponderances
proceed down the river
Pyrenacantha
quasi-interdicted person
ranking system
real-time clock - RTC
resin modified core oil
return flow type oil atomizer
runoff generation
Salix dibapha
secular subsidence
selenium methide
shell parakeets
shifting counter
shipping charges
single study
single-acting disk harrow
sinskey
sobotka
starred fracture
stress equation of motion
strychnine bisulfate
supply-chains
TBP-25 process
terpyridyl
thala
three-hour range index
tipping element
toforehand
transposed conductor
true vertical depth
unsmethe
void theory
water-lane
whatkind
whit leather
winkenwerder