Inefficacious
a. 无效果的\\n[医] 无效的, 无效力的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Forgive me, I didn't mean to offend you.
请原谅， 我不是有意惹你生气。
There is life in the old dog yet.
老当益壮。
That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.
这下我可完了，因为不一会儿，我就恢复了以前的坏习惯，在屏幕前打起瞌睡来。