- [countable]
a layer of material used to cover the inside surface of something 衬层；内衬；衬里 
a pair of leather gloves with fur linings 一双毛皮衬里的皮手套 Pin the lining to the outer fabric. 将衬里固定在外层织物上。
- [uncountable]
the layer that covers the inner surface of a part of the body （身体器官内壁的）膜 the stomach lining 胃黏膜 the lining of the womb 子宫内膜
Idioms
every cloud has a silver lining
- (saying)
every sad or difficult situation has a positive side 黑暗中总有一线光明；朵朵乌云衬银边，处处黑暗透光明