A few weeks of aerobics will firm up that flabby stomach.

几个星期的有氧健身运动将使松弛的腹部结实。

《牛津词典》

The lack of movement, the intestinal body muscle will become flabby.

身体缺乏运动，肠道的肌肉就会变得松弛。

youdao

Because the muscle in Morpheus is flabby, the body when getting up so will be particularly soft.

因为睡眠中的肌肉是松弛的，所以起床时身体会非凡柔软。

youdao

And that will slow the wider economy, which must try to accelerate with a flabby state-controlled banking system clinging to its ankles.

ECONOMIST: Indian banks