Port is what you considered a fortified wine.

波尔图葡萄是你所认为烈葡萄。

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

款杯子更是用来盛杯型，比如波特或加强型葡萄。

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

是已经酿制好葡萄，然后你在里面加入精来强化葡萄。

Lillet blanc is like a fortified wine.

利莱白葡萄 (Lillet blanc) 就是一种加强葡萄。