Ineffectiveness
其它 Other[计] 无结果, 无效
✅ 同义词
🔴 反义词
📖 牛津释义
ineffectiveness
n [U].
🗣️ 情景例句
Helen has told me all about you.
海伦对我将了好多你的事儿。
Don't forget to invite him.
不要忘记邀请他。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。