天气太热，牛奶在车里放了一天就凝固变质了。

The milk ___curdled after sitting in the hot car for a day.

看到那只腐烂的老鼠，我的胃里一阵翻腾。

The sight of the rotting rat ___curdled my stomach.

牛奶在高温下放置太久，已经结块变质了。

The milk was left in the heat too long and has ___curdled.