Hemigroup
[计] 半群
🗣️ 情景例句
Have you made the music arrangements?
音乐安排好了吗？
Wisdom is to the mind what health is to the body.
知识之于心灵，犹如健康之于身体。
Well done! You are always doing a good job!
干得不错！你总是干得很出色！