Ranidae
[医] 蛙科
🗣️ 情景例句
Why were you out of work for so long?
你为何这么久没有工作？
I'm broke.
我身无分文。
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。