curdle
v [I, Tn]
(cause sth to) form into curds (使某物)结成凝乳
The milk has curdled, ie become sour. 牛奶凝结了(变酸了).
Lemon juice curdles milk. 柠檬汁可使牛奶结成凝乳.
(fig 比喻) a scream which was enough to curdle one´s blood/make one´s blood curdle, ie fill one with horror 让人心惊胆战的尖叫声.