n.制革法；晒成褐色；鞭笞
动词tan的现在分词.
They removed bark from trees to prepare it for tanning. 他们剥下树皮用来制革。
Ann goes to the beach so she can get a tan. 安去海滩好把自己晒黑。
She gets a tan from spending each day on the beach. 由于天天呆在海滩上，她的皮肤被晒成棕褐色。
