Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/c6ee0b4e320f297ea3d2de08b40b9422.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 chemical reaction英英字典_chemical reaction剑桥英语解释_chemical reaction柯林斯英文解释_按摩法牛津词典
1. N a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei 化學反應→compare nuclear reaction