Unvitiated
a. <古>未被污染的,未腐敗的,未敗壞的,純潔的
??? 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。請坐。有什么事嗎？
Will you do me a favor?
你幫我一個忙好嗎？
Is this a D or a P?
這個字母是“D”還是“P”？