1、I watched the exhausted puppy flump down onto the grass.
我看着疲惫的小狗砰然倒在草地上。
2、He flumped into the armchair after a long day at work.
他在一天辛苦工作之后砰然坐到扶手椅上。
3、The baby elephant flumped along behind its mother.
小象在母象后面咚咚地走着。