adj.干燥的；不毛的；枯燥的；无趣的；没有生气的
The broom grows down the arid sandhill. 金雀草蔓延在干燥的沙丘下。
It is difficult to grow fruit in arid desert areas. 在干燥的沙漠地带栽培水果很困难。
How can people make a living in this arid area? 这片不毛之地上的人们怎么谋生呢？
The audience soon grew tired of his arid speech. 没多久听众对他枯燥无味的演说就感到厌腻了。
n.[动]螨
n.干旱；贫瘠
n.[生化]单糖
n.[化]多糖
