The diaphragm vibrates , thus setting the air around it in motion.膜片振动,这使得周围的空气也动荡起来.The diaphragm draws air into the lungs.横膈膜向下运动让空气进入肺部.A portion of the cardia is demonstrated above the diaphragm.膈上发现部分贲门....
他是波兰地下组织的情报员，被空降到华沙。He was a courier for the Polish underground and parachuted into Warsaw.他刚刚的表现正是自我旅行中的情报员角色!He's just acting out the secret agent portion of his ego trip.进阶题:请用类似的想法来解决五名情报员的问题.Similar reasoning w...