常見例句雙語例句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。mei.jmu.edu.cnThe 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)脖子処的主動(dòng)脈造成損傷，形成的血塊隨後可能進(jìn)入心髒，從而造成中風(fēng)。www.i-yl.com 返回 suction stroke