seven-tenths rule是什么意思，seven-tenths rule的翻译，seven-tenths rule音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4994 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55
seven-tenths rule是什么意思，seven-tenths rule的翻译，seven-tenths rule音标、读音、用法和例句_伍贰汉英词典