基本解释n.自然沙漠化同根派生 英汉例句It is the major reasons of desertisation that global temperature is going dawn and tectonic activity gets weaker.Human actions make the desertisation speedily. 气候变冷和构造活动变弱是沙漠化的主要原因，人类活动则加速了沙漠化的进程。