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来源:雅诚德英语网
Once the fleet is grounded, America will for a while have no means of its own to deliver men and women to any part of space.
而一旦航天飞机停飞,美国在一段时间内就没有其他途径将人带往太空。
Once the fleet is grounded, America will for a while have no means of its own to deliver men and women to any part of space.
而一旦航天飞机停飞,美国在一段时间内就没有其他途径将人带往太空。