admiral's mate

例句：

1. 1.The admiral's mate was assigned to assist the captain during the voyage.
   海军上尉的助手被分配在这次航行中协助船长。
2. 2.The first lieutenant's mate was responsible for maintaining order on board.
   第一副官的助手负责船上的秩序维护。
3. 3. The admiral's mate was a skilled seaman who had been with the fleet for many years.
   海军上尉的助手是一位经验丰富的水手，已经在舰队工作了很多年。