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。...

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...

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

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。...

effective的比较级为：more effective...

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。...

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。...

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]...

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]...

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]...

defective的复数形式为：defectives...

[体]熟能生巧...

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 ...

v.（受）传染( infect的现在分词 )，污染，影响...

effective的复数形式为：effectives...

n.无效果，不起作用，无能力...

effective的最高级为：most effective...

n.叛离者，逃兵，背叛者( defector的名词复数 )...

ineffective的反义词有：effective, powerful, effective。adj.ineffective的反义词（无效的;无能的）：effective。ineffective的反义词（其他释义）：powerful, effective。...

vt.使受影响，感染，传染，散布病毒，侵染，（电脑病毒）使（电脑的）存储器[数据]受到感染...

fect的音标：fect的英式发音音标为：[fekt]fect的美式发音音标为：[fekt]...

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...

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...

defection的近义词/同义词有：deficiency, lack, failure, loss, recreancy, betrayal, unfaithfulness, apostasy, faithlessness, treason, recreance, perfidy, disloyalty, out, secession, withdrawal, backsliding, dropping, copping, away,...

We learned by actual experience that practice makes perfect.我们从实际经验中认识到熟能生巧.Skill is acquired through repeated practice, and practice makes perfect.久练为熟, 熟能生巧." Practice makes perfect. " is a proverb.“ 熟能生巧 ” 是一句谚语....