sea voyages 海上航行
space voyages 太空航行
long voyages 长途航行
A: Have you ever been on sea voyages?
A：你曾经参加过海上航行吗？
B: Yes, I have participated in several voyages around the world.
B：是的，我参加过几次环球航行。
1) 长途航行
2) 远征
3) 探险
1. 航行，航海
noun
1. Long journeys, especially by sea or in space.
Synonym: journeys, expeditions