VOA慢速英语:Young Programmer’s App Helps War Veteran Father Sleep Better

1. energetic adj.精力充沛的，充满活力的; 精力旺盛的
例句：For all his years, he was none the less active and energetic.
他虽年事已高,但仍生气勃勃,精力旺盛。

2. shock vt.使休克; 使震惊
例句：I'm sorry to shock you.
让你受惊了，非常抱歉。

3. solve vt.解决; 解答; 解释
例句：We solve this problem by applying the powerful concept of a model.
为了解决这个问题，我们使用模型这种强有力的概念。

4. raise vt.筹集; 提升; 增加
例句：A smaller number of families may raise children.
少数家庭可以抚养孩子。

5. volunteer n.志愿者，志愿兵
例句：She often does volunteer labour during holidays.
放假时她常去参加义务劳动。