Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/56604d930feda68516cf4fc17e747027.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 electron donor atom是什么意思，electron donor atom的翻译，electron donor atom音标、读音、用法和例句_果味酸柯林斯词典