Setulf
似槽痕
🗣️ 情景例句
The evening newspaper is cheaper than the morning paper.
晚报比早报要便宜。
I'm going to tell him what to answer.
我正要告诉他应该如何回答。
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。