sixfold axis of symmetry是什么意思，sixfold axis of symmetry的翻译，sixfold axis of symmetry音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 8284 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58
sixfold axis of symmetry是什么意思，sixfold axis of symmetry的翻译，sixfold axis of symmetry音标、读音、用法和例句_英语字典