Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/7d73cf2aabf4277bb243c9b2802e8646.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 overcultivation例句_overcultivation英汉例句_overcultivation双解例句_歐米惠必应词典
Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and over irrigation. 導致沙漠化的主要因素有四個：過度種植，過度放牧，過分砍伐，過度灌溉。