航行的英文：
sail
navigate
voyage

参考例句：

They go for a sail down the thames.
他们乘船泰晤士河航行。

The physiological effects of space travel
宇宙航行的生理影响.

a freshwater sailor.
内河航行水手

The ship was sailing due south.
船向正南方航行.

Freedom of navigation in the South China Sea is out of question.
在南海自由航行不成问题。

I adore sailing.
我很喜欢航行。

Sails;propulsion by means of sails
帆(总称);(扬帆)航行

Hug the shore
船靠岸航行

They go for a sail down the Thames .
他们乘船沿泰晤士河航行。

Sail between Dover and Calais
在多佛与加莱之间航行

sail是什么意思：
v. 航行，起航
n. 帆；乘船航行

The belly of a sail.
帆的鼓起部分

They shipped out in that sailing vessel.
他们在那条帆船上当了船员。

Sailing is the love of his life.
帆船运动是他最喜爱的活动。

navigate是什么意思：
v. 驾驶，航行（于）；使通过，小心翼翼地绕过；驾驭

Navigation between tools and menus
在工具和菜单之间导航

Columbus was a famous navigator.
哥伦布是个有名的航海家。

She has trouble navigating the stair.
她上下台阶有困难。

voyage是什么意思：
n. 旅行，航行；航程；旅行记
v. 旅行，航行

The ship refreshed for a voyage.
这艘船装上补给品准备出航。

The author who wrote this voyage is famous.
写这部航行游记的作者很有名。

Bon voyage, Mr.Jones.
琼斯先生，一路顺风。