Semigroup
[计] 半群
🗣️ 情景例句
Oh, it's a sweet-sounding name for a sweet little boy.
噢， 好一个甜美悦耳的名字 ，配个甜美的小孩。
Quality is better than quantity.
质重于量。
With some children, small sums go a long way.
对于有些孩子来说，少量的钱可以花很长一段时间。