roly-poly: short and plump, pudgy
描写外貌的一些词: beefy, skinny, ...慢慢补
huff and puff: to breathe in noisy way, especially because you are doing something tiring
气喘吁吁,上气不接下气,类似表达可以用puff and pant
例句:George puffed and panted as he ran.
With much huffing and puffing, he climbed up and up.
huff 用在 in a huff: angry because someone has offended you.
stormed off in a huff: 大发雷霆,勃然大怒
例句: Ray walked out in a huff.
puff 用于puff up: if part of your body puffs up, it becomes swollen.
例句: His ankle had started to puff up.
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