Gnomonics
日晷制作法, 日晷测时术
🗣️ 情景例句
When I think something is right, I will stick to that.
若我认为某件事是对的，我会坚持到底。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
I am not sure such data does exist.
我不确定是否有这样的资料存在。