puff
单词辨析：
指因惊讶、疼痛或震惊而倒吸气，也指因呼吸困难而急促地深呼吸。
She gasped with surprise at the snake.
她看见蛇惊讶得倒抽了一口气。
She came to the surface of the water, gasping for air.
她浮出水面，急促地喘着气。
普通用词，指用肺等正常呼吸。
We could hardly breathe at such a high altitude.
在这样的高度，我们呼吸很困难。
The doctor told her to breathe deeply.
医生要她深呼吸。
Both animals and plants breathe air.
动物和植物都要呼吸空气。
指把吸进的空气、烟气等呼出来。
Breathe deeply and then exhale slowly.
深吸一口气，然后慢慢地呼出来。
He lit his cigarette and exhaled smoke.
他点燃香烟，然后吐出烟雾。
因体内缺氧而大口吸气或喘气，也指因害怕、惊讶而倒吸气。
The man is gulping air after running.
那个人跑步后在大口喘气。
The player gulped nervously before trying to answer.
那个球员紧张地倒吸了一口气才回答。
指吸入空气、烟雾、味道等。
It is dangerous to inhale poisonous gas.
吸入有毒气体是危险的。
He lit his cigar and inhaled deeply.
他点燃雪茄，深吸了一口。
指因运动、天气炎热等而呼吸急促。
He is climbing and panting.
他一边爬，一边气喘吁吁。
On hot summer days dogs often lie panting.
在炎热的夏天，狗经常气喘吁吁地躺着。
指因运动、干重活等而费劲地大口喘气。
He huffed and puffed while climbing the mountain.
他一边爬山，一边喘着粗气。
She caught up with Harry, puffing for breath.
她赶上了哈里，直喘粗气。
相关例句：
A puff of wind blew out the candle.
海面上吹来一阵狂风。一阵风吹熄了蜡烛。
The weather was dry and cold; wisps of steam puffed from their lips.
天气又干又冷，他们嘴里哈出缕缕白气。
Its puff per minute will tell scientists the volume of carcinogenic substances being inhaled and exhaled.
其每分钟喷出的烟雾量，将会告诉科学家量吸烟者吸入和呼出的致癌物质数量。
He nodded and puffed on a stubby pipe as he listened.
他边听边点头，还吸着一支粗短的烟斗。
Any chance of success seemed to vanish in a puff of smoke.
成功的机会犹如一缕青烟，瞬息即逝。
But this is not puff Oh! Well so much for the bar, good-bye!
但这绝不是吹的，好了就说这么多了吧，各位再见！