[ I or T ]
to smoke tobacco
吸（烟），抽（烟）
She was puffing on a cigarette at the time.
她当时正在吸烟。
He sat there, puffing away at a cigarette.
他坐在那里，抽着烟。
puff verb (BLOW)
[ I or T ]
to blow out in clouds, or make steam or smoke do this
吹，喷出，冒出
The engine puffed a huge cloud of steam, then rolled down the tracks.
火车头喷出一大股水蒸气，沿着轨道开始移动。
The chimney was puffing out clouds of smoke.
烟囱向外冒出一股股的烟。
https://dictionary.cambridge.org/zhs/%E8%AF%8D%E5%85%B8/%E8%8B%B1%E8%AF%AD-%E6%B1%89%E8%AF%AD-%E7%AE%80%E4%BD%93/puff
