根据你需要的语境,这里的介词用ON比较妥当。你那句话翻译如下:I saw your username on the Taobao website and added you as a friend.或者 I saw your username on the Taobao website and then sent you a frien
"co"As well as the magazine's "president" in English。这是你原话的翻译。主管:Competent。名词 person in charge 动词 be in charge of/be responsible for。主办:Host。动词 host。协办:Co。社长:Director。