Warning: file_put_contents(): Only 0 of 7360 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 white-pollution control例句_white-pollution control英汉例句_white-pollution control双解例句_开心英文字典_柠咚词
"White pollution" is a world-spread question. Developing degradable plastic is one of the most important measures to control "White pollution". 前言： “白色污染”是一个全球性问题，发展可降解塑料是解决这一问题的有效方法之一。