当船航行在海上时，船员们每天四餐，其他时间则每日三餐。

When the ship is at sea, they have four meals a day; otherwise, they have three meals a day.

youdao

我读过一本故事书。很多船，当它们航行在海上的时候就消失了。

I read a story book. Many boats, many boat, when they are sailing on the sea, (they) disappeared.

youdao

Hesiod is not alone in saying, for God's sake try not to take a voyage at sea because your chances of coming back are really bad, which was a reality to a degree.

赫西奥德不是唯一一个说,看在上帝的份上不要试图在海上航行,因为你几乎不可能返航,在某种程度上这是实话

耶鲁公开课 - 古希腊历史简介课程节选