/skɪn/
名词
皮肤;皮
The snake shed its old skin as it grew larger.
随着它长大,蛇蜕去了它的旧皮。
外壳
The bullet pierced the skin of the aircraft.
子弹击穿了飞机的外壳。
(某些液体置于空气中或冷却后形成的)膜,薄层
想跟读,去练习