Semigroup
[计] 半群
🗣️ 情景例句
Thank you, Gerald.
谢谢你！Gerald。
Marriage goes by contrasts.
夫妻之间难免有差异。
The modern weather models work with a grid of points of the order of sixty miles apart,
现代气象模型以一个坐标图来显示，图中每个点大约是间隔60英里。