Retusidae
囊螺科
🗣️ 情景例句
Oh! I just drop in on him for a chat.
哦，我只是顺便来和他聊聊天。
I don't want to put you to any trouble.
我不想麻烦你。
Do we have to wear the helmets?
我们得戴上防护帽吗？