Magnesium is involved as a cofactor in many enzyme transfers.镁是许多酶转变的辅助因素.Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作.Magnesium is c...

n.巨体化石，大化石...

n.偏置法v.抵消( offset的现在分词 )，补偿，（为了比较的目的而）把…并列（或并置），为（管道等）装支管...

He denied all accuse of him.他否认了所有对他的指控....

lay off的音标：lay off的英式发音音标为：[lei ɔf]lay off的美式发音音标为：[le ɔf]...

A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。a roll of carpet一卷地毯a roll of film一卷胶卷...

n.蚀顶...

The Amateur Softball Association's roster of umpires has declined to 57,000.业余垒球协会的裁判员名单上的人数已经减少到了57,000名。In softball, pitches are tossed underhand.垒球运动中采用低手投球。The softball is solid.垒球是实心的....

木犀草素...

责备，斥责，分派...

v.避开，挡开，延迟，暂时挡住，避开（某事），延缓，推迟（令人不快的事物）...

由…引起...

The boss retains enormous influence by reason of his position.老板由于自身的地位而一直有极大的影响力。He pleaded innocent by reason of insanity.他以精神不健全为由申辩无罪。He was found not guilty, by reason of insanity.他以精神失常为理由获判无罪。...

out of sorts的音标：...

seize control of的音标：seize control of的英式发音音标为：[si:z kən'trəul ɔv]seize control of的美式发音音标为：[siz kən'trol ʌv]...

无限的，很多的...

v.自豪，高兴...

Far off to the west the sun was sinking.远处夕阳西下。Robinson didn't think the story was so far off the mark.鲁宾逊认为这个报道根本算不上离谱。The band was playing far off in their blue and yellow uniforms.乐队身穿蓝黄相间的队服正在远处演奏。...

be off的音标：be off的英式发音音标为：[bi: ɔf]be off的美式发音音标为：[bi ɔf]...

n.缩微过程，缩微片，微生物...

a nasty officious little man讨厌、好管闲事的家伙When people put on uniforms, their attitude becomes more confident and their manner more officious.人们穿上制服后会信心倍增，也更爱管闲事了。They wouldn't welcome any officious interference from the...

goof的现在完成时为：goofed...

vt.授予封地，授予领地，转让，让渡...

autofluoroscope的音标：autofluoroscope的英式发音音标为：[ɔ:təʊflʊə'rəskəʊp]autofluoroscope的美式发音音标为：[ɔtoʊflʊr'rəskoʊp]...

咖啡尿质...

take hold of的音标：take hold of的英式发音音标为：[teik həuld ɔv]take hold of的美式发音音标为：[tek hold ʌv]...

He had many motives for wanting to knock off Yvonne.他有很多杀伊冯娜的动机。If I get this report finished I'll knock off early.如果我写完这篇报告，我就会早点下班。When pressed they knock off 10 per cent.经砍价，他们降了10%。...

不重要的，无价值的...

Chloroflagellida的音标：...

microfiltration的音标：microfiltration的英式发音音标为：[maɪkrəʊfɪlt'reɪʃn]microfiltration的美式发音音标为：[maɪkroʊfɪlt'reɪʃn]...