Biklen
[人名] 比克伦
🗣️ 情景例句
They had no way to communicate directly with Kurt.
他们无法和库尔特直接联系。
How many pieces are you going to take?
你要拿几支？
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。