unfledgedadj.
英 ʌn'fledʒd | 美 ʌn'flɛdʒd
中文adj. 羽毛未丰的；未充分发达的；未成熟的
词根词源
unfledged (adj.)c. 1600, of persons, "immature, not experienced," from un- (1) "not" + past participle of fledge (v.). Literal sense of "not yet covered in feathers" is recorded from 1610s.
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