saggy
adjective/ˈsæɡi/
/ˈsæɡi/
(comparative saggier, superlative saggiest)
(informal)- no longer stretched tight; hanging or sinking down in a way that is not attractive
松垂的；松弛耷拉的；下陷的 - a saggy mattress
失去弹性下陷的床垫 - These exercises are designed to firm up saggy bottoms.
这些练习旨在紧致下垂的臀部。
- a saggy mattress