The adjective 'rigorous' means extremely thorough, exhaustive, or accurate, or severe and unsparing.
形容词'rigorous'是严格的、严厉的，或严酷的、严密的。
| 单词 | rigorous |
|---|---|
| 发音 | ['rɪg(ə)rəs] |
| 释义 | adj. 严格的，严厉的；严酷的；严密的 |
| 词序 | 6706 |
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