railway engine的用法和樣例：
例句
- An engine is coupled to a railway train.
火車(chē)頭與車(chē)廂掛在一起。 - He lost one of the pieces of his model engine.
他的火車(chē)頭模型缺了一個(gè)零件。 - An engine emits smoke from its funnel into the air.
機車(chē)通過(guò)煙囪把煙排入空氣里。 - The engine pulled a long line of freight cars.
這臺機車(chē)拉了一長(cháng)列貨車(chē)。
