sirKK [sɝ] /sɝ/发音名词1先生对男性的敬称Excuse me, sir, I think you dropped your wallet.先生,不好意思,我想您的钱包掉了。2长官军警或上司Yes, sir, the report will be on your desk by noon.是的,长官,报告中午前会放到您桌上。3爵士英式,用于姓名前After the ceremony he was formally addressed as Sir Thomas.仪式过后,他正式被称为汤玛斯爵士。4老师英式,称男老师Sir, may I hand in my essay tomorrow morning?老师,我可以明天早上再交报告吗?5先生、敬启者正式书信The complaint letter opened with a stiff "Dear Sir."那封投诉信以生硬的「敬启者」开头。用这个字练口说→