单词学习：puff 动词/名词
puff
/pʌf/
1. (名词) 一股（气、烟等）；喘息；泡芙；蓬松的一团 2. (动词) 喷出；喘气；使膨胀
After climbing the stairs, Mr. Gu took a deep puff of air to catch his breath.
爬完楼梯后，顾老师深深地喘了一口气来恢复呼吸。
单词卡片
卡片已就绪
