（因过量生产而出现的）奶／油／酒（等等）
an amount of a liquid produced that is more than is needed, so that it has to be stored or wasted
Overproduction caused butter mountains and wine lakes. 生产过剩导致黄油堆积如山、葡萄酒汇流成河。
Soil in the area has been contaminated with oil lakes.
Unfortunately, she stopped contributing to a milk lake and started contributing to a grain mountain instead.
The damage to the environment caused by the build-up of wine and milk lakes is shocking.
Why do we have babies starving in Africa when there are milk lakes in Europe?
See also: lake