Warning: file_put_contents(): Only 0 of 6159 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 disturbed ecological balance例句_disturbed ecological balance英汉例句_disturbed ecological balance双解例句_耀久九英英词典
In many parts of the world, large numbers of trees have been cut down and the ecological balance of nature has been disturbed. 在世界很多地方，大量的樹木遭到砍伐，自然界的生態平衡遭到破壞。 blog.sina.com.cn