我喜欢把洋葱炒至金黄再加入汤里。

I like to ___brown the onions before adding them to the soup.

面包在烤箱里慢慢变成了金黄色。

The bread slowly ___browned in the oven.

太阳把树叶晒成了深褐色。

The sun ___browned the leaves to a deep shade.