suction stroke

基本解釋

In a four-stroke diesel engine , the cycle requires four separate strokes of the piston , suction , compression , expansion and exhaust.
一個(gè)四沖程的柴油機(jī)包括活塞四個(gè)獨(dú)立的沖程，吸氣、壓縮、膨脹和排氣。
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The suction involved during a love bite can cause damage to a major artery in the neck, creating a blood clot that can then travel to the heart and cause a stroke.
在親吻時(shí)用力吮吸會(huì)對(duì)脖子處的主動(dòng)脈造成損傷，形成的血塊隨后可能進(jìn)入心臟，從而造成中風(fēng)。
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