droughtyadj.干旱的;干燥的
droughtn.干旱
drought severity index旱情指标
drought-proof cotton耐旱棉
drought affforestation抗旱造林
Drought in agriculture农业干旱
Drought and heat stress干热胁迫
drought and flood index旱涝指数
Drought-tolerant gene耐旱基因
drought characteristics干旱特征
drought-stricken area旱灾区
drought intensity index干旱强度指数