Pentaatomic
五原子的
🗣️ 情景例句
I will serve coffee and pumpkin pie.
我来准备咖啡和南瓜派。
Just forget about it.I never did like it anyway.
别把这件事放在心上。我本来就不喜欢这桌布。
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。