curdle

1. If milk or eggs curdle or if you curdle them, they separate into different bits. 凝结

The sauce should not boil or the egg yolk will curdle. 这调味汁不能煮沸，不然蛋黄会凝结。

The herb has been used for centuries to curdle milk. 这种香草被用来凝乳已有几个世纪。