mật mã
Meaning
1 senses
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A system of symbols, letters, or words used to represent and hide secret information so that only authorized persons can understand it.
vi Chỉ có anh ấy mới biết mật mã để mở cửa.
en Only he knows the code to open the door.
Parts
mật / mã / Sino-Vietnamese; the character is 密碼 …
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OriginSino-Vietnamese; the character is 密碼