Semigroup
[计] 半群
🗣️ 情景例句
Oh. Your offer sounds interesting.
哦，您所给的优惠听起来蛮吸引人的。
The fox may grow grey, but never good.
狐狸活到老，永远难变好。
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展厅中央是装有彩色灯泡的许多高高的构件，