witness

US /ˈwɪtnɪs/

UK /'wɪtnəs/

B1 中級英檢中級多益
v.t.及物動詞見證
I will witness you writing your name on the contract
n. (c./u.)名詞 (可數/不可數)目擊者、見證人
She was a witness to my accident, she can tell you what happened
v.t.及物動詞目擊
I looked up in time to witness the accident, I can tell you what happened
n. (c./u.)名詞 (可數/不可數)證人
I am a witness to what he did
v.t.及物動詞證明(能力等)
The author's books witness to his intelligence and ability to write

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10:50殺死星系的黑洞--類星體 (The Black Hole That Kills Galaxies - Quasars)