您要查找的是不是：
- posterior internal orbital canals 眶筛管
- anterior internal orbital canals 眶颅管
- posterior internal orbital canal 后内眶管, 后筛孔
- orbital canal, anterior internal 前内眶管, 前筛孔
- orbital canal, posterior internal 后内眶管, 后筛孔
- The steam tug takes canal boats and barges in tow. 驳船后面拖着小艇和平底船。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The Panama Canal joints two oceans. 巴拿马运河连接两大洋。
- They dragged the canal for the missing child. 他们用拖网沿运河打捞失踪孩子的尸体。
- The canal is navigable all the year. 这条运河全年可通航。
- In July,1956, Egypt had seized the Suez Canal. 一九五六年七月，埃及占领了苏伊士运河。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- Coal used to be sent here by canal. 煤过去常经过运河送来。
- The new canal will link the two rivers. 新运河将两条河连在一起。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- Digging the canal was a Herculean task. 开凿运河是项极其艰巨的工程。
- The canal is now open to shipping. 该运河现已通航。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- The boat chugged along the canal. 小船稳稳地顺著运河突突地航行。
