ex-, 向外。-clud, 关闭，词源同close, conclude.

1. The first task was to fence the wood to exclude sheep.

第一项任务就是把树林围起来不让羊进去。

2. She gets very upset if I exclude her from anything.

要是有什么事情我不让她参加，她会非常难过。

3. Further examination is needed to exclude the chance of disease.

需要进一步检查以排除患病的可能。

4. We can exclude the possibility of total loss from our calculations.

我们可以在预测中把彻底失败的可能性排除在外.

5. The university had no right to exclude the student from the examination.

学校无权阻止这位学生参加考试.