| 单词 | rack and snail |
| 释义 | rack and snail [`rak ǝn `snāl] HOROLOGY A mechanism in a striking timepiece that permits the hands to be advanced without waiting for the striking to be completed. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。