sagging

n.

下垂[沉，陷]，松垂，垂度；

v.

向下凹或中间下陷( sag的现在分词 )；松弛或不整齐地悬着；

cable sag绳擞度

1. Irreversible sagging and chronic backache can be the long-term result.
   长此以往，可能会导致无法挽回的下垂和慢性背痛。
2. Skin is lifted and tightened to help visibly diminish sagging and drooping.
   提升并紧致眼部肌肤，有效缓解松弛和下垂问题。
3. Your skirt is sagging at the back.
   你的裙子后面松垂下来了。

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