How many years have you bean a Bosun? When did you start your seaman life? On board how many ships have your served as a Boatswain?是什么意思_How many years have you bean a Bosun? When did you start your seaman life? On board how many ships have your served as a Boatswain?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句