first mate
noun /ˌfɜːst ˈmeɪt/
  /ˌfɜːrst ˈmeɪt/
 (also first officer)
- the officer on a commercial ship just below the rank of captain or masterTopics Transport by waterc2
| 单词 | first mate | 
| 释义 | first matenoun /ˌfɜːst ˈmeɪt/  /ˌfɜːrst ˈmeɪt/ (also first officer) 
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