plumper , plumpest
You can describe someone or something as plump to indicate that they are somewhat fat or rounded.
Maria was a pretty little thing, small and plump with a mass of curly hair.
玛丽亚是个漂亮的小家伙,小小的,胖乎乎的,有一头浓密的卷发。
He pushed a plump little hand towards me.
他向我伸出一只胖乎乎的小手。
plump up
Plump up means the same as plump.
'You need to rest,' she told him reassuringly as she moved to plump up his pillows.
“你需要休息,”她边劝他边走过去将他的枕头拍蓬松。
plumps , plumping , plumped
If you plump a pillow or cushion, you shake it and hit it gently so that it goes back into a rounded shape.
She patted all the seats and plumped all the cushions.
她把所有的坐垫和靠垫都拍得很蓬松。