1.approaching v.接近
例句:You see the plane you have just left, drift into the clouds (if there are any), and the land is far away but approaching rapidly.
你看見你剛剛離開的飛機,漂移到云中(如果有云的話),而地面還很遙遠但是正在快速接近你當中 。
2.navigation n.航行;航海
例句:Chances of failure and disaster are ever present in all space navigation.
所有的宇宙航行都始終存在著失敗和發生災難的可能性 。