Perhaps the simplest approach to extracellular digestion is that employed by saprophytes.细胞外消化最简单途径也许是腐生生物所利用的方法.Some extracellular proenzymes may be activated by secreted lysosomal proteinases.有些细胞外酶原能被分泌的溶酶体蛋白酶所激活.Othe...

v.从采石场采得( quarry的过去式和过去分词 )，从（书本等中）努力发掘（资料等），在采石场采石...

碳氧血红蛋白血症...

boulevards的音标：...

carp的近义词/同义词有：tear, pieces, to, complain, pick, fault, find, fresh-water, fish, fault, complain, pick, find。vi.carp的近义词（吹毛求疵）：tear, pieces, to, complain, pick, fault, find。n.carp的近义词（鲤鱼）：fresh-water, fish。carp的近义词（其他释义）：...

Redundancy is the spur for many to embark on new careers.裁员促使很多人开始从事新事业。Before she would embark on a holy war , however, she had to purify her own Church.不过,在开始一场神圣的战争之前, 她必须净化自己的教会.To diversify one's business is to...

spare的音标：spare的英式发音音标为：[speə(r)]spare的美式发音音标为：[sper]...

adv.向地球，向地面...

barf的一般过去时为：barfed...

adv.& adj.正大光明的，桌面儿上...

Gregarinia的音标：...

darken的一般过去时为：darkened...

骨髓巨核细胞缺乏症...

stare的现在进行时为：staring...

My mother is darning Bob's socks.我母亲正在给鲍勃补短袜.There is a hole on the white shirt, it needs darning.白衬衫上有个洞, 需要织补一下.We sat doing the darning.我们坐著织补....

The farmyard was quiet,with just a few chickens scratching about.这农家庭院静悄悄的,只有几只鸡在四处扒食。The road passes a farmyard.那条路经过一个农家场院。The farmyard was snugly sheltered with buildings on three sides.这个农家院三面都有楼房,遮得很严实.He made his w...

adj.多沙的...

adj.有酒刺的，似红玉的...

n.（箭头、鱼钩等的）倒钩( barb的名词复数 )，带刺的话，毕露的锋芒，钩状毛...

visit grandparents的音标：...

The aim of this initial meeting is to clarify the issues.本次初步会议的目标是澄清这些问题。I am happy to clarify any points that are still unclear.我愿意说明任何仍然不清楚的地方.The CEQ has attempted to clarify both the timing and scope issues.环境质量委员会曾...

A shaft on the piston forms the armature of a coil.活塞轴作线圈的衔铁.N is armature of soft iron.N是软铁的衔铁.The iron with the wound coils on it is called an armature.缠绕着线圈的铁心叫做电枢....

冷阴极管...

Can go to a bank trying. Belongings guaranty, credit investigation.可以去银行试试. 财产抵押, 信用调查.The guarantor shall be held liable within the agreed scope of guaranty.担保人在约定的担保范围内承担责任.The provisions on guaranty in this Law shall ...

footgear的音标：footgear的英式发音音标为：['fʊtgɪə]footgear的美式发音音标为：['fʊtˌgɪr]...

The choice of players for the team seemed completely arbitrary.看来这个队的队员完全是随意选定的。You can make an arbitrary choice.你可以随便做选择.He makes unpredictable, arbitrary decisions.他做的决定难以预料, 主观武断....

槟榔泻碱...

n.检疫期，隔离期，检疫所，隔离所，四十天的时间vt.对…进行检疫，隔离...

bear的现在完成时为：borne...

Grass shears are specially made to trim grass growing in awkward places.除草剪刀；专门用于修剪缝隙角落里的青草。Trim the shrubs with shears.用大剪刀修剪灌木丛。a pair of garden shears一把园艺剪...