最强劲的挑战者，德克萨斯州的民主党人马丁·弗罗斯特已经退出了竞选。
The strongest challenger, Texas Democrat Martin Frost, has withdrawn from the race.
它出自伊迪斯·萨默维尔和马丁·罗斯的小说《真正的夏洛特》。
Instead it came in the book the Real Charlotte by Edith Somerville and Martin Ross.
现在，加州洛杉矶航空公司的马丁·罗斯和同事们已经完成了航空对地球气候影响的第一次详细模拟。
Now, Martin Ross of the Aerospace Corporation in Los Angeles, California, and colleagues have performed the first detailed simulations of the flights' effects on Earth's climate.
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