其中，"by" 是介词，表示方式；"boat" 是名词，表示船只。
例句：
They are traveling by boat to the island. (他们正乘船去岛屿)
They decided to travel by boat to see the beautiful coast. (他们决定乘船旅行，看看美丽的海岸)
"travel" 是动词，表示旅行。
例句：
They love to travel by boat. (他们喜欢乘船旅行)
They are traveling by boat next week. (他们下周将乘船旅行)
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最佳回答 2023-06-18