基本解释num.九分之七同根派生 seven-ninths相关词英汉例句用作数词 (num.)Seven of the nine largest U.S. carriers reported a drop in traffic in August, except Southwest Airlines and JetBlue Airways Corp.九分之七的美国大航空公司报道在八月份经营业绩下降,除了西南航空和捷蓝航空公司。seven-ninths更多例句