Cryptobranchiate
a. (鲵鱼等)生有隐鳃的
🗣️ 情景例句
Let's eat!
吃吧！
It's pleasure to meet you.
幸会，幸会。
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。