Piltdown
皮尔丹(英国地名)
🗣️ 情景例句
So I know.
所以我了解这些。
He hasn't answered my letter yet.
他还没有给我回信。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时，他内疚地笑了，然后把那个大包拿到了桌上。