Baijiu is a big classification. Literally it means white spirit.

白酒是酒中的一大类别。一般就是指无色透明的蒸馏烈酒。

Let's say, you have gin, vodka and schnapps, all in one category called white spirits.

这么说吧，杜松子酒，伏特加和荷兰金酒，都属于白酒这一大类。

Since she was in fact a benevolent white snake spirit in human form, their marriage had already weathered attacks by meddling monks.

由于她其实是善人化身的白蛇精，他们的婚姻早已经受住了多管闲事的僧人的攻击。