Pyranogram
(平面)总日射自记曲线
🗣️ 情景例句
Or at least I think I do.
至少我想我有了答案。
If you lose your way, ask a policeman.
如果你迷路了，可以向警察打听。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。