Situp
n. 仰卧起坐
🗣️ 情景例句
I have a daughter.
我有一个女儿。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。