| 正面 | 8010.ineffective 英 [ɪnɪ'fektɪv]美 [,ɪnɪ'fɛktɪv] ![]() ![]() ![]() ![]() |
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| 背面 | ![]() ![]() ![]() ![]() 释义: 1. canal <===> channel.adj. 无效的,失效的;不起作用的 例句: 1. This is an ineffective method of controlling your dog.用这种方法控制你的狗不起作用。 ineffective 无效的in-,不,非,effective,有效的。 ineffective (adj.)1650s, from in- (1) "not, opposite of" + effective. Related: Ineffectively; ineffectiveness." |
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