ineffective
adj
not producing the required effect(s) 不起作用的; 无效果的; 效果不佳的
use ineffective methods 使用无效的方法
She is totally ineffective as a teacher, ie She cannot teach satisfactorily. 她当老师全然不称职.
🗣️ 情景例句
Do you think so?
真的这么认为?
No, No. You can't do it like that.
不行,不行。不能随你那样做。
and the outer planets have temperatures near absolute zero and hydrogen-dominated atmospheres.