designationKK [ˏdɛzəgˋneʃən] /ˌdɛzəɡˈneɪʃən/发音名词1名称、称号、头衔Her official designation is senior research fellow.她的正式职称是资深研究员。2指定、指派正式The designation of the area as a national park took years.这片地区被指定为国家公园花了好几年。3标示、编号、代号Each aircraft carries a three-letter designation on its tail.每架飞机的尾翼上都有三个字母的编号。用这个字练口说→