noun 下载 🔗分享 水手长,舵工。 A warrant or petty officer on board a naval ship. Examples : "The bosun inspected the sailors' knot-tying skills on the deck of the ship. " 水手长在甲板上检查水手们打绳结的技巧。 nautical military job 与AI对话词汇游戏阅读练习