相关单词近義詞adj. evident, plain, obvious, certain, positive, sure, glassy, limpid, transparent, empty, free, open, unblocked, unhindered, unimpeded v. acquit, emancipate, free, rid, liberate反義詞adj.awful, bad, inferior, lousy, poor, terrible, modern, piece of junkv.block, obstruct臨近詞clearance, cleanup, Cleary, Clearco, cleared, clearity, clearage, clearall, clearout, clearing, clearkey, clear on 返回 clearest