He is my senior officer.

他是我的上级军官。

His father was a senior officer at the bank.

他父亲是那家银行的高级职员。

The senior officer on the Upper Yangtze, Commander P.

在上扬子江的长官舰长P。

To perform other duties as assigned by senior officer.

负责其他由上级委派的工作。

Seniora senior officer; the senior ship in the battle group.

一位高级军官；战斗群中较高级别的船。