The four-stroke cycle which is in common use. An alternative is the two-stroke cycle, which combines the exhaust and compression strokes into one.是什么意思_The four-stroke cycle which is in common use. An alternative is the two-stroke cycle, which combines the exhaust and compression strokes into one.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句