impede的一般过去时怎么写

Severe steric effects at the reactive carbon would impede the substitution.大的立体效应阻止在碳上的取代.It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混....

impede的现在进行时为：impeding...

impede的现在完成时为：impeded...

vt.阻碍，妨碍，阻止...

impede的第三人称单数（三单）为：impedes...

impede的音标：impede的英式发音音标为：[ɪm'pi:d]impede的美式发音音标为：[ɪm'pid]...

impede的近义词/同义词有：limit, check, filibuster, inhibit, obstruct, retard, delay, stonewall, curb, frustrate, hinder, cramp, confine, interrupt, hamper, arrest, restrict, curb, hamper, arrest, retard, check, limit, cramp, dela...

It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混.At no time did I make an attempt to impede any investigatory effort.我绝没有试图妨碍过任何调查工作。Severe steric effe...

He saw the dog's twitching nose poke out of the basket...他看到那只狗一抽一抽的鼻子从篮子里冒出来。The child in a spasm kept twitching his arms and legs.那个害痉挛的孩子四肢不断地抽搐.Lanchon was in his fifties, an ugly baldheaded stumpy legs and a gr...

外节段较小,其内可见少量排列欠整的盘膜结构.Outer segment of PRCs short and contained a few irregularly arranged disc membrane....

“逼真地”的英语可以翻译为：ealistically，to the life ...

vi.偷笑，窃笑vt.窃笑着说n.窃笑...

compares的音标：...

“桉树”的英语可以翻译为：eucalyptus，eucalypt，yellow stringybark，desert gum，eucalypti ...

异粗榧碱，异哈林通碱...

“匀称的”的英语可以翻译为：well-balanced，well-proportioned，[医] sym.，shapely ...

at home and abroad的音标：at home and abroad的英式发音音标为：[æt həum ænd ə'brɔ:d]at home and abroad的美式发音音标为：[æt hom ənd ə'brɔd]...

ablative的音标：ablative的英式发音音标为：['æblətɪv]ablative的美式发音音标为：['æblətɪv]...

Diabetic nephropathy ( Group DN ); and diabetic rats treated with irbesartan ( Group DNI ).糖尿病肾病组 ( diabeticnephropathy,DN, GroupDN ): 糖尿病肾病并采用血管紧张素11受体l桔抗剂一厄贝沙坦(irbesartan,Irb)干预组 ( GroupDNx ).Phlegm and blood stasis ha...

“示意”的近义词/同义词：表示, 默示, 暗示, 提醒。...

“般”的英语可以翻译为：happy，bigbig shiprevolve，pace up and down...

n.阿脲，四氧嘧啶...

The dogs continued to paw and claw frantically at the chain mesh.那些狗继续用爪子疯狂地抓铁丝网。It has three pairs of legs, each ending in a large claw.它有3对腿，每条腿上都有一只巨爪。The Chancellor will try to claw back £3.5 billion in next year...