edge-on英'edʒ'ən美'edʒ'ənCOCA⁵³⁶²¹BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 adv.边在最前地 Because Ganymede's orbit is tilted nearly edge-on to Earth, it routinely can be seen passing in front of and disappearing behind its giant host, only to reemerge later. 因为 Ganymede的轨道是倾斜的，并几乎和地球的轨道擦边，所以常常可以见到它例行公事般的在木星前面晃悠过去，然后消失在木星背后，不久便又出现，如此周而复始。 yeeyan