烤面包时不小心把面包机调到最高档，结果面包片边缘都烧焦了。

I accidentally set the toaster to the highest level, and the edges of the bread started ___charring.

在制作烤肉时，轻微碳化表面可以锁住肉汁并增添风味。

When making grilled meat, slightly ___charring the surface helps lock in juices and adds flavor.