The word is 'validity', meaning effectiveness or correctness. It is a noun.
这个单词是 validity，意思是有效性、正确性。它是一个名词。
| 单词 | validity |
|---|---|
| 发音 | [və'lɪdɪtɪ] |
| 释义 | n. 有效性；正确性；正确 |
| 词序 | 4593 |
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