a towboat
可数名词，使用不定冠词表示泛指
A towboat pulled the barge.
一艘拖船拖动了驳船。
拖船；拖轮
顶推船；推驳船；被拖船；驳船；一种用于推动驳船的矮胖强力船只。；一种专为被拖曳而建造的船只,如运河船。
A small, powerful boat used for towing other vessels; a tugboat.
拖船。
A tugboat.
一种用于推动驳船的矮胖强力船只。
A squat powerful boat designed to push barges.
一种专为被拖曳而建造的船只,如运河船。
A vessel constructed for being towed, such as a canal boat.
用于拖曳其他船只的汽船；拖船。
A steamer used for towing other vessels; a tug.
A towboat was waiting near the bridge to help the cargo ship dock.
一艘拖船在桥附近等着帮助货船靠岸。
用法提示：名词 towboat 在句中作主语，表示“拖船”。
The captain used a towboat to pull the fishing boat out of the shallow water.
船长用一艘拖船把渔船拖出浅水区。
用法提示：名词 towboat 作动词 used 的宾语，指“拖船”。
Several towboats gathered in the harbor before the big storm.
暴风雨来临前，几艘拖船聚集在港口。
用法提示：名词 towboat 的复数形式 towboats 在句中作主语，表示多艘拖船。
可数名词，使用不定冠词表示泛指
A towboat pulled the barge.
一艘拖船拖动了驳船。
定冠词表示特指
The towboat pushed the ship.
那艘拖船推动了轮船。
介词短语，表示方式或工具
Cargo is transported by towboat.
货物通过拖船运输。
grammar · medium
易错句子We need to towboat the ship to the dock.
正确表达We need to tow the ship to the dock.
“towboat”是名词，意为“拖船”，不能用作动词。表示“拖”的动作应使用动词“tow”。
grammar · medium
易错句子Towboat are used for pushing barges.
正确表达Towboats are used for pushing barges.
“towboat”是可数名词，复数形式为“towboats”。指多艘拖船时需加-s。
towboat通常指内河或港口拖船，而tugboat更通用，二者常互换但tugboat更常见于海洋拖带
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