Unattainability
不可到达性
🗣️ 情景例句
You'll feel better tomorrow, Betty, believe me.
明天就会好些， Betty， 相信我。
What do you mean by that?
你这话是什么意思？
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。