更多意思
adj.1.  先前的,较早的,在前的
2.  优先的,占先的,较重要的
3.  (prior to)在前面的
n.1.  小隐修院院长
2.  (隐修院)会长,副院长
参考例句
1. | I appreciate that you may have prior commitments. |
| 我体谅你可能事先已另有承诺。
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2. | My children have a prior claim on my time. |
| 我的时间首先得用来照顾我的孩子。
|
3. | I shall have to refuse your invitation because of a prior engagement. |
| 我因有约在先,所以只好谢绝你的邀请。
|
4. | You need no prior knowledge to be able to do thistest. |
| 不必预先学习,就能做这项测试。
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5. | by advance [previous, prior ] arrangement with sb. |
| 按照和某人预先的约定。
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常用词组
prior to...   在...之前