shirt lock什么意思

lock与shut的区别是什么？移动到关闭开口的位置，例如，关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭盖、关闭...