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unofficial

英 美[,ʌnə'fɪʃl]
英英释义 考试真题 实用场景例句
  • adj. 非官方的；非正式的

英英释意

1. not having official authority or sanction;
"a sort of unofficial mayor"
"an unofficial estimate"
"he participated in an unofficial capacity"
2. not officially established;
"the early election returns are unofficial"