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来源:雅诚德英语网
They have already done tests to make sure their own jets aren't scrambled and no one gets shot down.
他们已经做了测试,以确保他们没有自己的飞机紧急升空,也没有人被击落。
They have already done tests to make sure their own jets aren't scrambled and no one gets shot down.
他们已经做了测试,以确保他们没有自己的飞机紧急升空,也没有人被击落。