Warning: file_put_contents(): Only 0 of 4972 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 成年女人大片免费观看版,人妻少妇精品无码专区芭乐视网,婷婷视频五月免费
In other words, in the simple lattice model that we've use to describe translation, just breaking up the available volume into little pieces. 在格點模型中,我們描述平動，把空間分成小塊。