Semigroup
[计] 半群
🗣️ 情景例句
I guess we'll have to exchange it, too.
我想我们还得去换一件。
How much is this carpet per square yard?
地毯每平方码要多少钱？
For example, with their help China can send its TV and radio programmes to the other side of the world.
例如，在卫星的帮助下，中国能把自己的电视及广播节目传送到地球的另一边。