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puffing on [a cigarette/pipe/cigar]
puffing 在这里是动名词，表示‘吸（烟、烟斗等）’的动作；后接 on + 具体烟具。
Puffing on a pipe is his favorite way to relax.
抽烟斗是他最喜欢的放松方式。
喷烟；喷吐烟雾
puffings — plural of puffing
先理解核心含义，再看它在真实句子里的用法。
喷烟；喷吐烟雾
the act of blowing tobacco smoke out into the air
Puffing on a pipe is his favorite way to relax.
抽烟斗是他最喜欢的放松方式。
吹气者的行为。
The act of one who puffs.
蓬松的装饰物。
A puffy ornament.
卖方对潜在买方所作的意见或判断,不构成事实陈述。
An opinion or judgment, often made by the seller of property to a potential buyer, that is not made as a representation of fact.
After climbing all those stairs, her loud puffing echoed in the empty hallway.
爬完那些楼梯后，她响亮的喘气声在空荡荡的走廊里回荡。
I could hear the dog's steady puffing from under the porch.
我能听到狗在门廊下平稳的喘气声。
The sound of his nervous puffing filled the small waiting room.
他紧张喘气的声音充满了小小的候诊室。
puffing 在这里是动名词，表示‘吸（烟、烟斗等）’的动作；后接 on + 具体烟具。
Puffing on a pipe is his favorite way to relax.
抽烟斗是他最喜欢的放松方式。
这个结构表示‘不断喷出（烟/气）’的动作或声音；在法律或广告语境中，puffing 也有‘言过其实的吹嘘’之意。
The puffing of the old train could be heard from far away.
老火车喷吐蒸汽的噗噗声从很远就能听到。
Not this
He had a puffing on his pipe.
Use this
He had a puff on his pipe.
中文“抽一口”容易让人把puffing当作表示单次动作的可数名词，但puffing是动名词，指喷烟的整个动作；固定搭配take/have a puff后接可数名词puff，表示一口烟。
Not this
He was out of puffing after the run.
Use this
He was out of puff after the run.
受中文“气喘吁吁”的影响，学习者可能把表示喘息动作的puffing误用于固定短语out of puff中；该短语要求使用名词puff，表示气短、喘不上气的状态，而不是喷气动作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
抽着香烟；吸烟
She stood by the window, puffing on a cigarette.
她站在窗边，抽着烟。
吐烟圈
He leaned back and began puffing smoke rings.
他向后一靠，开始吐烟圈。
气喘吁吁；直喘气
He reached the top of the hill, puffing and panting.
他爬到山顶，气喘吁吁。
不停地抽烟；喷着烟
He was puffing away on his pipe as he read the newspaper.
他一边看报，一边不停地抽着烟斗。
用力呼出；喷出
The runner was puffing out short, sharp breaths.
那名跑步者用力呼出短促的气息。
气喘吁吁；气呼呼地抱怨（或威胁）
The old man was huffing and puffing as he climbed the hill.
那位老人爬上山时气喘吁吁。
大口地抽着（烟）
She sat by the window, puffing away at her cigarette.
她坐在窗边，大口地抽着烟。
挺起胸膛（表示自豪或自信）
He stood up, puffing out his chest and boasting about his success.
他站起来，挺起胸膛吹嘘自己的成功。
呼哧呼哧地用力吹气
The wolf was huffing and puffing and blew the house down.
大灰狼呼哧呼哧地吹气，把房子吹倒了。
Use puffings naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
puff 像‘噗夫’，模仿喷烟声——想成抽烟者‘噗’地喷出一口烟，-ing 表示正在喷烟或用力呼气，记住 puffing 是喷烟/呼气。
语域：neutral 常见场景：描述吸烟或吐烟的动作、描述运动后或费力时的喘息 在表示“喷烟/用力呼气”时，puffing 是普通中性词，多用于描述吸烟吐烟或运动后喘息，日常口语和书面描写中都比较常见，没有明显的正式或俚语色彩。
These all end in /ʌfɪŋ/ and rhyme with puffing. Beware lookalikes: puffin /ˈpʌfɪn/ ends in /n/, and putting /ˈpʊtɪŋ/ uses /ʊ/.
Dictionary facts from ECDICT, WIKTIONARY.