Allocative
a. 配置的
✅ 同义词
🗣️ 情景例句
Mom! Is it for me?
妈妈 是我的吗
Would you please put it on top?
能请你把它放在最上面吗?
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。