相关单词近義詞 connotation 涵義, current 趨勢, tide 趨勢, undertow 底流, pull 拉, stream (小)河, flow 流動, feeling 感覺, hint 暗示, suggestion 建議, trace 痕跡, tinge 淡色, nuance 細微差別, undertone 低音, undertide 暗流臨近詞under, underfoot相似詞underclothes, undercoat, undercook, undercover, undercut, underdeveloped, underdog, underdone, 返回 undercurrent