柯林斯词典diesel /ˈdiːzəl/ (diesels) 1. N-MASS Diesel or diesel oil is the heavy fuel used in a diesel engine. 柴油2. N-COUNT A diesel is a vehicle which has a diesel engine. 柴油车 I keep hearing that diesels are better now than ever before. 我总听说现在的柴油车比以往的都好。 返回 diesel剑桥词典C1 [ 不可数或单数名词：没有复数形式的名词 ] a type of heavy oil used as fuel 柴油 a diesel engine 柴油发动机 My new car runs on (= uses) diesel. 我的新汽车用柴油。 [ 可数名词：有复数形式的名词 ] any vehicle , especially a train , that has a diesel engine （尤指火车的）内燃机；柴油车 返回 diesel