a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
例句
用作名词 (n.)
Trains are drawn by internal combustion engines. 火车由内燃机牵引。
Development of the engine led to cars and trucks. 内燃机的研制导致了轿车和卡车的发展。
美
