单词
ineffective
读音
ˌɪnɪˈfektɪv
美式
英式
词根
"Ineffective"的词根为 "effect-" 来自拉丁词 "effectus" ，意思是"结果"、"效果"。其他衍生词包括 effective（有效的），effect（效果，影响）等。
释义
adj. 无效的，失效的；不起作用的
例句
The new drug was ineffective.
新药不起作用。
Furthermore, they claim that any such interference is completely ineffective.
此外，他们声称任何此类干涉都是完全无效的。
Omit dull and ineffective generalities and make sure you give concrete examples.
避免枯燥、无效的空谈，并确保你给出了具体的例子。
The new drug was ineffective.
新药不起作用。
Furthermore, they claim that any such interference is completely ineffective.
此外，他们声称任何此类干涉都是完全无效的。
Omit dull and ineffective generalities and make sure you give concrete examples.
避免枯燥、无效的空谈，并确保你给出了具体的例子。
强化记忆
记住这个词可以将其分解为两部分 "in-"（否定）和 "effective"（有效）。当你看到 "ineffective" 时，就可以想到它是 "not effective" 的意思。"Ineffective" 这个词在英语中普遍应用，没有特定的历史文化背景。它来自中世纪拉丁语的 "effectus"，最早在16世纪时进入英语词汇。
看视频学发音
And they can't turn to their police because the police are complicit,corrupt, ineffective.Then they get to our border,
that I just wanted to argue and blame and make them wrong.Totally ineffective.In order to develop a dialogue for change
Unkind.And ineffective.And we do it to ourselves,
It was a time when medicine was cheapand very ineffective.If you were in a hospital, he said,
our system, of debt-fueled economic growth,of ineffective democracy,of overloading planet Earth,
所属分类
大学,出国,专升本-自考,专四专八,其他
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