东行航程

例句：

1. 1. The navy has been conducting a long-distance eastward voyage.
   海军正在进行一次长途向东的航行。
2. 2. The pilot made an emergency landing after the plane's engine failed.
   飞行员在飞机引擎失灵后紧急迫降。
3. 3. The crew had to make a quick decision on how to continue their eastward flight.
   机组人员必须迅速决定如何继续他们的东向飞行。