unmarkedadj.
英 ʌn'mɑːkt | 美 ʌn'mɑrkt
中文adj. 无记号的；未被注意的
词根词源
unmarked (adj.)c. 1400, "having been given no mark," from un- (1) "not" + past participle of mark (v.). Similar formation in Old Norse umarkaðr. Meaning "not noticed or observed" is recorded from 1530s.
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