Translation of "Medium" in Chinese

My gloves are size medium.

我的手套尺寸是中号。

Medium-rare and a potato, please.

麻煩牛排三分熟和一份馬鈴薯。

A large or medium-sized one?

大号的还是中号的？

You only need a medium size.

您只要中号就够了。

I believe the medium size will fit you better.

我认为中号会更适合您。

It’s a communication medium, not a substance or specific activity.

网络是一个相通的渠道，而不是物质或具体的活动。

One of my suitcases is large, and the other one is medium.

我的手提包，一只是大的，另一只是中号的。

And even outside these nations, English is perhaps more widely used as a medium of international communication than any other language.

甚至在這些國家以外，英語也許比其他任何語言更廣泛地被使用來當作國際交流的媒介。