Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/43a6680c821e8889a881f04fdbc25125.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 proportional sub-class numbers是什么意思，proportional sub-class numbers的翻译，proportional sub-class numbers音标、读音、用法和例句_按摩法牛津词典