| 单词 | river system |
| 释义 | Definition of river system in English:river systemnoun
OriginMid 19th century; earliest use found in The Penny Cyclopaedia. Definition of river system in US English:river systemnoun
OriginMid 19th century; earliest use found in The Penny Cyclopaedia. |
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。