各种旅行在口语中的意思

'Voyage' refers specifically to long distance travel by sea.
voyage指的是航海的长距离旅行。

例句：

The voyage to Japan takes about two weeks from San Francisco.
从旧金山到日本走海路大概需要两周时间。

Many voyages were made to the Indian Ocean during that period.
这段时间很多人航海去印度洋。