前缀ad-, 去，往。词根equ, 等同,见equal, 相等的。此处指足够多的。

1. People accused the ministry of failing to take adequate preventive measures.

人们谴责该政府部门未能采取足够的预防措施。

2. Most states guarantee the right to free and adequate education.

大多数州都保障人们免费享受充分教育的权利。

3. They had rushed in without adequate appreciation of the task.

他们还没有充分了解这项任务就仓促行动了。

4. The western diet should be perfectly adequate for most people.

西方的日常饮食应该完全适合于大多数人。

5. Without adequate information, many students choose a college almost blindly.

因为缺少足够的信息，许多学生都是近乎盲目地选择大学。