mask

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n.Mask; ?? ?? ??

vt. , Cover up, Cover up

vi. ???? ??; ???, ???

3?? ??: ??? ???: ??? ????: ??? ???: ???? ????: ????

??? rhmask ?? ???

??: rhmask ??? ??? ????? ???? ? ?????.

??: ??rhmask [???? ??][?? ??] ?? rhmask [-d][???? ??][?? ??][?? ??]

??? rhmask ?? ?

"rhmask" ??? ???? ???? ?? "code.txt"? ????? ?? ?? ?? "demo.txt"? ?????.

$ rhmask code.txt demo.txt