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adj. outboard + noun
作定语时置于名词前，常修饰 motor、engine 等表示船舶部件的词。
The boat has a small outboard engine.
这艘船有一个小型舷外发动机。
外侧的；舷外的
先理解核心含义，再看它在真实句子里的用法。
外侧的；舷外的
located away from the midline of a vessel or aircraft
The boat has a small outboard engine.
这艘船有一个小型舷外发动机。
位于船体外的。
Situated outside the hull of a vessel.
偏离船舶或飞机中心线的。
Positioned away from the centre line of a ship or aircraft.
外置效果器的；与外置效果器相关的。
Being or relating to an external effects unit such as compressor or equalizer.
The fishing guide told us to sit on the outboard side of the boat so we could see the buoys.
钓鱼向导让我们坐在船的外侧，以便能看到浮标。
Passengers in the outboard seats on the airplane can look straight down at the clouds.
坐在飞机外侧座位的乘客可以低头直接看到云层。
The outboard edge of the wing has a small red light that stays on during the night.
机翼外侧边缘上有一盏小红灯，夜间一直亮着。
作定语时置于名词前，常修饰 motor、engine 等表示船舶部件的词。
The boat has a small outboard engine.
这艘船有一个小型舷外发动机。
表示朝船体或飞行器外侧的方向移动，常与动作动词连用。
Don't lean outboard too far, or you may fall.
别向舷外探得太远，否则你可能会掉下去。
Not this
Move the seat outboardly to balance the load.
Use this
Move the seat outboard to balance the load.
outboard本身既是形容词也是副词，表示“向舷外/靠舷侧”时直接作副词使用；不要按一般副词构词法加 -ly。
Not this
The outboard wall of the house is painted white.
Use this
The outside wall of the house is painted white.
outboard专指船舶或飞机上偏离中心线、靠近舷侧的位置，不能用来指建筑物的外墙；房子的外墙应用 outside 或 external。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
舷外马达
He attached a small outboard motor to the back of the fishing boat.
他把一台小型舷外马达安装在渔船的尾部。
装舷外马达的船
They went fishing in an outboard boat.
他们乘一艘装舷外马达的船去钓鱼。
外侧机翼
The outboard wing was damaged during the flight.
外侧机翼在飞行中受损。
外侧；外舷一侧
The engine is mounted on the outboard side of the hull.
发动机安装在船体的外侧。
向外侧移动
Move the cargo outboard to keep the boat stable.
把货物向外侧移动以保持船身稳定。
出自Crosby, Stills & Nash的经典歌曲《Southern Cross》（南十字星）。歌词大意：她掌舵，我拿罗盘，我带上舷外发动机，就此扬帆远航。这里的outboard指外挂式船用发动机（outboard motor），象征告别过去、驶向远方。
They bought a small boat with an outboard motor.
他们买了一艘带舷外发动机的小船。
Use outboard naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：out(外)+board(船板)，船板之外就是“舷外”。
语域：neutral 常见场景：nautical/boating、aviation/aircraft design 该词是航海和航空领域的技术用语，多用于描述设备或部件位于船身或机身外侧。作为形容词意为“外侧的、舷外的”，作副词意为“向舷外”；日常口语中较少使用，更常见于说明书或专业手册。
outboard 读作 /ˈaʊtbɒːd/，由 out 和 board 拼成。真正的韵脚：out /aʊt/、about /əˈbaʊt/ 与开头的 out 音节押韵；board /bɒːd/、blackboard /ˈblækbɒːd/、aboard /əˈbɒːd/ 与末尾的 board 音节押韵。注意 boat /bəʊt/ 虽然拼写也以 boa 开头，但读音与 board 不同，不是韵脚。
Dictionary facts from ECDICT, WIKTIONARY.