基本解释[环境科学技术]作好干旱准备词组短语短语drought t preparedness 作好干旱准备drought preparedness plans 抗旱预案drought prevention and preparedness system 干旱预防和准备系统Preparedness drought plan 抗旱预案drought preparedness更多词组专业释义环境科学技术作好干旱准备