Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/671127736be79185d72a040feffdac88.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 fully invariant subgroup是什么意思，fully invariant subgroup的翻译，fully invariant subgroup音标、读音、用法和例句_按摩法牛津词典