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nautical + noun
nautical 通常作定语，表示“航海的、海上的”，常修饰与船舶、航行、导航相关的名词。
The captain checked the nautical chart before entering the harbor.
船长在进港前查看了航海图。
航海的；海上的；船舶的；海员的
先理解核心含义，再看它在真实句子里的用法。
航海的；海上的；船舶的；海员的
relating to ships, shipping, navigation, or sailors
The captain checked the nautical chart before entering the harbor.
船长在进港前查看了航海图。
与船舶、航海或海员有关的
Relating to or involving ships or shipping or navigation or seamen.
The captain taught the new sailors several nautical terms before their first voyage.
船长在首次航行前教新水手几个航海术语。
She enjoys reading nautical maps and planning routes along the coast.
她喜欢阅读海图并沿着海岸规划航线。
His nautical experience made him confident when the storm arrived.
风暴来临时，他的航海经验使他充满信心。
nautical 通常作定语，表示“航海的、海上的”，常修饰与船舶、航行、导航相关的名词。
The captain checked the nautical chart before entering the harbor.
船长在进港前查看了航海图。
作表语时，nautical 表示“与航海有关的”，主语常是词、表达或内容。
The word 'starboard' is nautical.
starboard 这个词是航海用语。
Not this
The nautical base was built in the 19th century.
Use this
The naval base was built in the 19th century.
nautical 表示“与航海、船舶或海员有关的”（如 nautical mile），而 naval 才表示“与海军、军舰有关的”；中文的“海军基地”应译为 naval base，不能用 nautical。
Not this
He is a nautical on that ship.
Use this
He is a sailor on that ship.
nautical 是形容词，没有“海员”这个名词含义；表示“海员/水手”时要用名词 sailor 或 seaman，不能把形容词直接当名词用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
海里
The ship traveled ten nautical miles.
这艘船航行了十海里。
海图
Sailors use nautical charts to navigate safely.
水手们使用海图安全导航。
航海主题
The restaurant has a nautical theme with nets and anchors.
这家餐厅以航海为主题，装饰有渔网和锚。
航海技能
He learned basic nautical skills at summer camp.
他在夏令营学会了基本的航海技能。
航海术语
The book explains common nautical terminology for beginners.
这本书为初学者解释常见的航海术语。
航海冒险
They wrote a novel about a nautical adventure across the Pacific.
他们写了一部关于横渡太平洋的航海冒险小说。
如果你想要航海胡闹
The SpongeBob theme song's phrase 'nautical nonsense' is a playful way to refer to sea-related fun.
《海绵宝宝》主题歌中的短语「nautical nonsense」是一种俏皮的说法，指海上的趣事。
Use nautical naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将nautical中的‘naut’想成大海中的鹦鹉螺（nautilus）在航行，记住它表示‘航海的、海上的’。
语域：formal 常见场景：maritime navigation、shipping industry、sailing and seamanship nautical 属正式、专业的形容词，通常用于航海、船舶、导航等领域，多出现在技术文档、新闻或专业课程中，日常口语较少使用。
多用作定语，置于名词前，例如 nautical mile（海里）。
Dictionary facts from ECDICT, WIKTIONARY.