designationKK [ˏdɛzəgˋneʃən] /ˌdɛzəɡˈneɪʃən/發音de- 向下、除去+sign 記號+-ation 名詞→標下記號展開收合de-字首向下、除去sign單字記號-ation字尾名詞字面:標下記號標出記號來指明某人或某物 → 指定、稱號名詞1名稱、稱號、頭銜Her official designation is senior research fellow.她的正式職稱是資深研究員。2指定、指派正式The designation of the area as a national park took years.這片地區被指定為國家公園花了好幾年。3標示、編號、代號Each aircraft carries a three-letter designation on its tail.每架飛機的尾翼上都有三個字母的編號。