able seaman 一等水手；一等水兵；二等兵；上等兵；全能水手

【例句】
Thirty years before, he had been an able seaman on a sailing vessel that was wrecked in those treacherous waters.
30年前，他在一条帆船上当一等水手，这条帆船在那变化莫测的海面上出了事。

Besides her steward work in the wardroom Able Seaman Green is a member of the ship's firefighting team, which is ready to respond to any fire or toxic hazard incident.
除了军官室的干事工作，二等兵格林还是舰上消防队的一员，准备应付任何火警和防化事故。