已知

yǐ zhī

Meaning

known (to science)

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Characters

已yǐalready; finished; to stop; then, afterwards 知zhīto know, to perceive, to comprehend矢口

Examples

埃博拉是人类已知的最致命的病毒之一。

Āi bó lā shì rén lèi yǐ zhī de zuì zhì mìng de bìng dú zhī yī.

Ebola is one of the most virulent viruses known to man.