not effective翻译

not effective的基本解释

读音: 美: 英:

无效的：没有达到预期目的或没有产生所需的结果。

例句

It is too expensive for farmers to use routinely, and since it is not effective until a month after vaccination, administering it after an outbreak begins helps very little.对于农民来说，按常规来使用它则过于昂贵，而且由于它在接种疫苗后一个月才有效，所以在疫情爆发后才使用几乎没有什么帮助。
While they sound efficient and cost-saving, a recent study reports that they are not effective, primarily because depressed patients are not likely to engage with them or stick with them.虽然它们听起来很高效而且节约成本，但最近的一项研究表明，它们并不有效，主要是因为抑郁症患者与之接触的可能性低，也难以坚持下去。
"Although these measures are not effective forever, they are vital for now," he says.“尽管这些措施不会永远有效，但对目前至关重要”他说。

短语

Very not effective 非常没有效
not effective against viruses 无效过滤原生物 ; 有效过滤原生物
not really effective 没有作用
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