相关单词近義詞adj. acid, cruel, fierce, harsh, hostile, painful, resentful, sharp, sour反義詞adj.bland, delicious, genial, mellow, pleasant, sweet臨近詞bitty, bite, Bittera, bitters, bittern, Bitterne, Bitterns, bitterly, bitterish, Bitterlin, Bitterash, bitterend 返回 bitterest