Spirifer
石燕贝属
🗣️ 情景例句
Make yourself at home.
不要客气。
Come to me if you're in any difficulty.
有困难来找我。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”