| 单词 | source region |
| 释义 | source regionnoun : an extensive region of the earth's surface where large masses of air having uniform temperature and humidity conditions characteristic of the region originate |
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。