如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。

If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.

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对于女性来说，第二个因素也起了作用，大多数女性似乎都很享受弹性的工作时间安排（曾经被称为“妈妈轨道”），她们再也找不到全职或高水平的工作。

With women a second factor comes into play, most seem to enjoy the flexible-time arrangement (once known as the "mommy track") and never find their way back to full-time or high-level employment.

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GPS IIF团队完成了一系列声音测试，复制了太空船进入轨道预计将产生的噪音水平。

The GPS IIF team completed a series of acoustic tests that replicate the noise levels expected during the spacecraft's launch into orbit.

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