Basically it refers to a time where people often drink to excess.

基本上它指的是人们经常过量饮酒的时期。

To drink " to excess" (excess) means to drink (or eat) too much.

To drink " to excess" （过度）意味着喝（或吃）太多。

It presents a serious risk to animals and most avoid drinking to excess.

这会给动物带来严重的危险，所以大多数动物都会避免过量饮酒。