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
No, there's more.
不,还有。
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,