基本解释[地球科学]西部干旱区英汉例句双语例句Due to the fragile eco-environment, natural disasters are frequent in west arid zone in China.我国西部干旱区生态环境脆弱，自然灾害频繁。west arid zone更多例句词组短语短语west arid zone in china 中国西部干旱区west arid zone更多词组专业释义地球科学西部干旱区