V-ERG
放(轮胎、气球等)的气;（使）瘪掉
When something such as a tyre or balloon deflates, or when you deflate it, all the air comes out of it.
例句
When it returns to shore, the life-jacket will deflate and revert to a harness...
返回岸上后，救生衣就会瘪掉，恢复成背带状。
...a deflated dinghy.
瘪了气的救生筏