quag [kwæg] n. 沼地, 湿地 例句与用法: He is quaffing his beer by the pint. 他论品脱地大喝啤酒。 We quaffed wine last night. 我们昨晚畅饮了一次酒。 词形变化: 名词: quaffer | 动词过去式: quaffed | 动词过去分词: quaffed | 动词现在分词: quaffing | 动词第三人称单数: quaffs | 详细释义: n. 沼泽; 湿地