1、She sat down plumply in the armchair, sinking into its soft cushions.

她胖乎乎地坐在扶手椅上，沉浸在柔软的靠垫中。

2、The cat plopped plumply onto the floor after jumping off the table.

猫从桌子上跳下来，胖乎乎地咚地一声落到地板上。