音标:[prәu'enzaim] ;
n. 酶原
[化] 酶原
n. any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active
词型变化:名词复数形式 : proenzymes
【近义词】

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发表于:2018-12-04 / 阅读(236) / 评论(0) 分类 英文魔法师字源大挪移

Combat Dark Under Eye Circles 01 战胜黑眼圈 01 对付黑眼圈的方法 土豆泥能够减轻黑眼圈。土豆含有邻苯二酚酶,化妆品中用它作为美白皮肤的物质。 把一个土豆在食物加工机中绞碎,然后将生土豆泥包裹在一块奶酪布里。 把包有土豆泥的布敷在眼睛下方,持续15至20分钟

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By Mike O'Sullivan 27 July 2007 United Nations Secretary-General Ban Ki-moon is on a two-day visit to California to discuss climate change and other global challenges. Mike O'Sullivan reports from San Francisco, the secretary-general says the United

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Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

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[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but

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You know, I just wanna say one brief thing about something the previous speaker said. I didn't wanna spend too much time on that 'cause I don't think it's important enough. But one thing is worth considering. He's the -- He's the nominal head of an

发表于:2018-12-30 / 阅读(242) / 评论(0) 分类 名人演讲

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

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This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

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This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol

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And now for Money Myths, a new feature from Michelle Singletary. She is Day to Days personal finance contributor, and a regular Tuesday guest. And as the title implies, Michelle will try to correct some financial myths we all may have. She spoke ear

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发表于:2019-02-12 / 阅读(192) / 评论(0) 分类 VOA标准英语2009年(十一月)

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学英语单词
a place to call home
Abala
accumulator chamber
Akali Dal
anticondensation
antiligh nucleus
array verify
arsenic-containing alloy
Bishemnagar
break-acting
brewery cellar
bright-frame finder
bubble phase
buggers off
causal conjunction
CCL62
certificate of origin textile products
coil connection sequence
complementarity repercussions
container load rate
conventional layout machine
copper phosphorus
crystal slip
cunonia family
d'frantz
daily recommended dose
declaration of dividends
diapers
discrete topology
Doha
doughmaker
dynamic fleshcorrection
embryonic epithelium
escape liability
exceptionality
extraction back pressure turbine
floodmark
flow analyzer
garnet
geomorphometry
glauco-
goat-herds
harbor sounding map
hearth stave
heir by custom
helicopter drop point
hemicephalic monster
herring meal
importing wholesaler
inchanting
instantaneous adhesive
iron iodobehenate
light requirement
lowering of amplitude
lyre snake
Madagascar Ridge
messengering
metallic tin
molecular current
monolithic storage
mycterothrips auratus
northern spies
Nǔnggǔmdo
ochric andosols
oil interceptor
ophthalmotoxin
Orchies
outslick
outworlder
ovibovines
patellar
physical link layer
pipe section pressure test
pivaloyl
pomacentrus moluccensis
population dose
precision bearing
propyl boric acid
purselanes
Puyun-dong
rake of pole
restoring to normal position
short seller
silcer
sodium bismuthate
standard preemphasis
starblind
steady seepage
straight tail lathe dog
surplus purchasing power
Swapon
synzymes
temperature characteristic of capacitance
the little edge of the wedge
tiglon
turn-off delay
UK-2371
urban geography
voluntaristic philosophy
wall eye
white peach flower
zweig rule