Port is what you considered a fortified wine.

波尔图酒是你所认为的酒。

This looks like a dessert wine glass, that you would serve port out of, or fortified wine out of.

款杯子更像是甜酒的杯型，比如波特酒或加强型酒。

It's wine that's been made, and then you add alcohol to it to fortify the wine.

是已经酿制好的酒，然后你在里面加入酒精强化酒。