向下运动 meaning in English
downward motion
downward movement
Examples
- The diaphragm draws air into the lungs .
横膈膜向下运动让空气进入肺部。 - The rapid downward motion of the fuselage is stopped by the impact through the landing gear .
起落架与地面的撞击阻止了机身迅速地向下运动。 - A fresh charge of air-fuel mixture will be drawn into the cylinder as the piston moves down toward .
随着活塞朝下止点的向下运动，一些空气燃料混合气的新鲜充量将被吸入气缸。 - The diaphragm draws air into the lungs
横膈膜向下运动让空气进入肺部 - The dolphin kick features both legs moving up and down together . no flutter kicking is allowed
海豚式打腿的特色是两腿同时向上和向下运动。不允许采用交替式打腿。