释义
n. 柴油机,内燃机
例句
1. The steam locomotives were superseded by diesel units. 蒸汽机车已被柴油内燃机车所取代。 2. Drawing on their practical experience, they designed an air-cooled diesel motor. 他们利用自己的实践经验，设计了一台气冷柴油机。
