plump down
短语<口>突然而沉重地坠下, 快速而坚决地放下
词形变化
plumped down
plumping down
plumps down
三单
plumps down
plumping down
现在分词
plumped down
过去式
plumped down
过去分词
释义与例句
v.
-
1.
To sit down heavily in a seat.
不及物