Heliometry
量日仪测量术
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
A friend without faults will never be found.
没有缺点的朋友是永远找不到的。
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。