按摩有助于使颏下松弛的皮肤柔韧起来。

Massage will help to tone up loose skin under the chin.

《牛津词典》

体重溜溜球效应也不是好现象，体重反复增加和减少会拉伸皮肤并使它过于松弛。

Yo-yo dieting is another no-no. The repeated weight gain and loss stretches your skin and makes it loose.

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松弛素有助于骨盆打开，让胎儿从母体中出来，但松弛素也会影响脚部韧带，使脚部韧带松弛。

Relaxin helps the pelvis spread so the baby can exit the body, but it also affects the ligaments in the feet, causing a stretching of those ligaments.

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