Gnomonics
日晷制作法, 日晷测时术
🗣️ 情景例句
He made an impressive speech.
他发表了一篇感人的演讲。
That's a good idea.
好主意。
Really? If you are ill, you must see the doctor.
真的吗？如果是生病了，你得去看医生。