密钥密鑰

mì yào

Meaning

(cryptography) key

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Characters

密mìsecret, confidential; intimate, close; dense, thick宓山钥yàolock, key钅月

Sources: CC-CEDICT (CC BY-SA 4.0) · audio-cmn — Yue Tan, Chen Wang (CC BY-SA) · Make Me a Hanzi (LGPL / Arphic PL) · Tatoeba (CC BY 2.0 FR)