fallen的动词
动词原型是fall，例如：
1、The knife fell from her nerveless fingers.刀从她无力的手里落下。
2、Evans had rheumatic fever， missed school and fell behind伊万斯得了风湿热，没去上课，功课也落下了。
3、Three people were electrocuted by falling power-lines.3个人碰到落下的电缆，触电身亡。
动词原型是fall，例如：
1、The knife fell from her nerveless fingers.刀从她无力的手里落下。
2、Evans had rheumatic fever， missed school and fell behind伊万斯得了风湿热，没去上课，功课也落下了。
3、Three people were electrocuted by falling power-lines.3个人碰到落下的电缆，触电身亡。
