effective的反义词有：ineffective, vain, ineffective, powerless。adj.effective的反义词（有效的）：ineffective。effective的反义词（其他释义）：vain, ineffective, powerless。...

effective的近义词/同义词有：forcible, powerful, potent, impressive, striking, telling, successful, efficacious, efficient, effectual, productive, in, serviceable, effect, functional, practical, valid, operative, useful, significa...

perfect的近义词/同义词有：flawless, intact, right, ideal, faultless, pure, accurate, expert, absolute, correct, excellent, proper, right, strict, faithful, finished, flawless, unconditional, improve, accurate, faultless, refine, ...

perfect的近义词有：improve, better, perfect, refine,perfect, ideal。下面这些动词均有"改进，改善"的含义：improve：最常用词，多指状态或性质上的深刻或重要改进，也可指自身能力的提高。 better：多用于口语，指适当地改善原来并非很差的状态或性质，也指社会地位、经济状况的改善。perfect：语义强，通常指使方法、技术等达到完善美好的境地。refine：侧重指使语言、仪态等变得...

perfect的反义词有：imperfect, defective, imperfect。adj.perfect的反义词（完美的;完整无缺的）：imperfect, defective。perfect的反义词（其他释义）：imperfect。...

adj.有成本效益的，划算的，合算的（等于cost-efficient）...

imperfect的反义词有：perfect, complete。adj.imperfect的反义词（不完全的;有缺点的）：perfect。imperfect的反义词（其他释义）：complete。...

A bad home environment can affect a child's healthy growth.不良的家庭环境能影响儿童的健康成长。How did these factors affect development of college curricula?这些因素是怎样影响着学院的课程设置的 呢 ?Price changes must not adversely affect the living sta...

effective的近义词有：effective, efficient。下面这两个形容词均有"有效的"的含义：effective：侧重产生实际的效果、效力或具有取得预期效果的能力，指人指物都适用。efficient：侧重指积极有效，效率高，效果好，节省精力。指人时，强调其能干、熟练的技巧。...

v.（受）传染( infect的现在分词 )，污染，影响...

defective的复数形式为：defectives...

[体]熟能生巧...

come into effect的音标：come into effect的英式发音音标为：[kʌm 'ɪntuː i'fekt]come into effect的美式发音音标为：[kʌm 'ɪntu ɪ'fɛkt]...

disinfect的音标：disinfect的英式发音音标为：[ˌdɪsɪn'fekt]disinfect的美式发音音标为：[ˌdɪsɪn'fɛkt]...

adj.感动的，受到影响的，（人或行为）假装的，倾向于…的v.影响( affect的过去式和过去分词 )，假装，感动，（疾病）侵袭...

实行，实施，行之有效...

cost-effective的音标：cost-effective的英式发音音标为：[kɒst ɪ'fektɪv]cost-effective的美式发音音标为：[ˌkɔstɪ'fɛktɪv]...

perfection的反义词有：imperfection, imperfection。n.perfection的反义词（完全;完备;卓越）：imperfection。perfection的反义词（其他释义）：imperfection。...

effective的比较级为：more effective...

Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。Contaminated instruments and floor surfaces should be chemically disinfected.污染的器材和地面要用化学药物消毒.The ill man's room was disinf...

effective的最高级为：most effective...

The greenhouse effect is well and truly with us.我们完全处于温室效应中。The specific impact of the greenhouse effect is unknowable.温室效应的具体影响无法知道。Carbon dioxide is the largest contributor to the greenhouse effect.二氧化碳太多是道致温室效应的最主要原因....

n.无效果，不起作用，无能力...

effect的反义词有：cause, cause。n.effect的反义词（结果;效果）：cause。effect的反义词（其他释义）：cause。...

My idea of physical perfection is to be very slender.在我看来，要拥有完美身材就要非常苗条。Physical perfection in a human being is exceedingly rare.体貌完美的人极为罕见。It is unrealistic to believe perfection is an attainable goal.相信完美可以企及是不现实的。...

effective的音标：effective的英式发音音标为：[ɪ'fektɪv]effective的美式发音音标为：[ɪ'fɛktɪv]...

Her affectations make you sick.她那装模作样劲儿真令人作呕.The affectations in the way she speaks annoyed me.她说话时装腔作势的样子惹我恼火.Affectations of manner and speech are mere frippery.态度和语言的做作只是俗丽服饰而已.His little affectations irritated her.他的...

Just one worm infects the whole world?只要一条虫子,就可以传染整个世界?Bacteriophage ( phage ) A virus that infects bacteria.噬菌体 :感染细菌的病毒.That's very in bad taste and infects our life too.非常的俗气也影响了我们的生活.A nematode worm ( Syngamus t...

Condoms are an effective method of birth control if used with care.如果使用得当，避孕套是很有效的避孕手段。Light colours provide an effective backdrop for pictures or a mirror.浅色是挂放图画或镜子很有效果的衬托。Women are sometimes seen to be less effective ...

defection的音标：defection的英式发音音标为：[dɪ'fekʃn]defection的美式发音音标为：[dɪ'fekʃn]...