Draw at的用法和樣例：
例句
用作動(dòng)詞 (v.)
- He puffed away at his pipe as he talked.
他邊說(shuō)話(huà)，邊抽煙。 - My father barred smoking at the dinner table.
我父親不允許在飯桌上抽煙。
用作名詞 (n.)
- He puffed away at his pipe as he talked.
他邊說(shuō)話(huà)，邊抽煙。 - My father barred smoking at the dinner table.
我父親不允許在飯桌上抽煙。
