向下跃迁的英文

• downward transition

• 向下:    downward; down
• 跃迁:    transition; jump; jumping
• 跃迁:    [物理学] transition; [量] jump; jumping
• 向下:    downward; down 善于向下作调查 be good at in vestigating conditions at the lower levels; 滑雪运动员飞快地向下滑去。 the skiers sped down the slope
• 向下向下地:    downward