He was an orphan, and he had no family, and he was on his first long voyage at sea.

他是孤儿、没有家人，这是他首次出海远航。

youdao

And he was on his first long voyage at sea.

这是在他第一次出海远航。

youdao

Darwin was generally healthy before his 5-year voyage on the Beagle - although he was seasick for most of his time at sea.

在贝加尔号的5年航行之前，达尔文基本上是健康的——但是他在海上的大部分时间都晕船。

youdao

As a result, only 9 of the 72 migrants who boarded the boat in Tripoli -- supposedly headed for the tiny Italian island of Lampedusa -- survived the 15-day voyage at sea.

CNN: Report: NATO shares blame over Libya migrant boat deaths