| 单词 | planetary system |
| 释义 | Definition of planetary system in English:planetary systemnoun
OriginLate 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. Definition of planetary system in US English:planetary systemnoun
OriginLate 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. |
| 随便看 |
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。