Semigroup
[计] 半群
🗣️ 情景例句
Nowadays many TV programs need parental guidance.
现在许多电视节目需要在家长指导下观看。
Birds of a feather flock together.
物以类聚，人以群分。
eat less, find more time to play with the children, do a thousand and one jobs about the house,
吃得少些；多花点时间与孩子们一起做游戏；做大量的家务；