相关单词近义词 light 光, aerial 空中的, feathery 生有羽毛的, insubstantial 脆弱的, ethereal 天上的, airy 通风的, floaty 能浮起的反义词weighty, 重要的临近词weightes, weight, Weight of Route, weight-formal, weight of train, weight by draft, weight matrices, weight relation, weight batching, weightformality, weighted degree, weight spectrum 返回 weightlessly