Rubaboo
n. <加拿大>干肉饼汤
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
How much is it?
这卖多少钱？
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。