rancid
adj. (指含有油脂食物)因变质而有陈腐味道或气味的,(指气味或味道)如陈腐脂肪味的
If butter, bacon, or other oily foods are rancid, they have gone bad and taste old and unpleasant.
Butter is perishable and can go rancid.
黄油很容易变质,而且会发臭。
...the odour of rancid milk.
腐败牛奶发出的臭味
1. used of decomposing oils or fats;
2. smelling of fermentation or staleness
We all know that fats spoil by becoming rancid.
我们都知道油脂变质后会发臭。
Rancid oil will taint the flavour.
变质的油会破坏味道。
The lard has gone rancid.
这大油哈喇了.
Butter is perishable and can go rancid.
黄油很容易变质,而且会发臭。
The butter has gone / turned rancid.
这黄油已经哈喇了.