词典释义：
释义
put something on, over, or around something, especially in order to conceal or disguise it
把（某物）盖好（或盖住、盖没）；把…遮住（或裹起来）。
try to hide or deny the fact of an illegal or illicit action or activity
掩饰，掩盖（非法行为或活动的事实）。