相关单词近義詞 burdensome, hefty, ponderous, weighty, abundant, copious, substantial, voluminous, grave, serious, boring, dismal, dull, gloomy, melancholy, oppressed, sad, tiresome反義詞light, airy, buoyant, cheerful, happy臨近詞heavyweight, heavily, heavyset, heavy NP, heavyish, heavy bag, heavy rug, heavy dew, heavyside, heavy tar, heavy ice, heavy oil 返回 heavies