Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/5e5b364461ae32beebcc9de2766d03f4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 well-defined polymer例句_well-defined polymer英汉例句_well-defined polymer双解例句_沉淀汉英词典
When the polymer forms a condensed, well-defined layer closely surrounding the cell, it is called the capsule. 当这些紧紧围绕细菌的的多聚体形成浓集，边界明显的一层时称为荚膜。 basic.shsmu.edu.cn