相关单词近義詞 abstract noun 抽象名詞臨近詞concrete jet, concrete, concrete plate beam, concrete lock floor, concrete guard wall, concrete slab crack, concrete production, concrete pipe piles, concrete bored pile, concrete pil casing, concrete drain tile, concrete eco-film相似詞concourse, concrete, concrete jungle, concrete mixer, concretely, concubinage, concubine, concupiscence, 返回 concrete noun