1) I need to buy a can of tooth paste.
我需要买一筒了。
2) Give me a can, please.
我买一筒。
3) I bought a raincoat.
我买了一件雨衣。
5) He bought one for me.
他为我买了一个。
6) I bought a bunch of grapes.
我买了一串葡萄。
参考词条