puffing out 喷出
puffing heavily 剧烈地喘气
A: Why are you puffing so hard?
A：你为什么喘得这么厉害？
B: I just finished a very intense workout.
B：我刚做完一个强度很大的锻炼。
1) 喘气
2) 喷烟
3) 吹气
1. 喘气，喘息
participle
1. Breathing in a loud, rapid, or forceful manner.
2. Emitting puffs of smoke or steam.