Polysemy
n. 一词多义现象
✅ 同义词
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
I read 10 lettres.
我读了十封信。
Though in those days, traveling was not as easy as it is today,
尽管在当时旅行不像现在这么容易，