1 [T] to burn the surface of sth in a way that is sudden and powerful 烧灼；灼伤；烤焦；轻煎: The heat of the sun seared their faces. 烈日把他们的脸都晒得起了皮。Sear the meat first(= cook the outside of it quickly at a high temperature) to retain its juices. 先把肉稍煎一下以保持肉汁。

2 [I,T] (written 书面语) to cause sb to feel sudden and great pain 使骤然感到剧痛: The pain seared along her arm. 她的胳膊一阵剧痛。