four-stroke engine
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌfour-stroke ˈengine noun [countable] TEMan engine that works with two up and down movements of a piston 四冲程引擎
ˌfour-stroke ˈengine nounChineseSyllable
four-stroke engine
ˌfour-stroke ˈengine
noun [countable]
an engine that works with two up and down movements of a piston
ˌfour-stroke ˈengine
noun [countable]an engine that works with two up and down movements of a piston