Logrolling
n. 滚木材, 相互吹棒, 水上踩滚木
🗣️ 情景例句
I think it's too easy.
我觉得它太简单了。
Are you ready for your dessert now?
你现在准备好甜菜了吗？
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。