Warning: file_put_contents(): Only 0 of 6153 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 melanocratic例句_melanocratic英汉例句_melanocratic双解例句_乐豆毛深蓝词典
In the immense and vast global biosphere, there exists a kind of noteless melanocratic organic matter which is humic substances. 在浩瀚广袤的地球生物圈里,蕴藏着一种不引人注目的暗色有机物,这就是腐植酸类物质。