dear 是什么意思？

亲爱的, 尊敬的, 天哪

used in polite or formal address as a sign of respect or affection

示例:• Dear Mr. Smith, I am writing to inform you...尊敬的史密斯先生，我写信是为了通知您...• Oh dear, what a mess!哦天哪，真是一团糟！