回答

・I have been feeling muscle weakness.

漸漸感受到體力的衰退
是
I have been feeling muscle weakness these days.
或
I feel my physical strength is weakening.
來表達。

Lack of excise and aging cause muscle weakness.
缺乏運動和老化是導致肌肉無力的原因。

To fix physical weakness is to get a good sleep.
解決身體虛弱的辦法就是確保良好的睡眠。

有幫助｜0