VOA慢速英语:One Minute of Exercise May Be All You Need

1. divide vt.分; 划分; 分离
例句：Class differences can divide a nation.
阶级差异会造成国家的分裂。

2. recovery n.恢复，复原; 重获
例句：They feted his recovery with ice cream and cake.
他们以冰淇琳和蛋糕庆祝他的康复。

3. interval n.间隔; 幕间休息
例句：There is a two hour's interval to the next train.
下一班火车还要过两个小时。

4. efficient adj.有效率的; （直接） 生效的; 能干的
例句：It is a well and efficient exercise of medical aid.
这是一次出色的救护演习。