柯林斯词典insolation /ˌɪnsəʊˈleɪʃən/ 1. N the quantity of solar radiation falling upon a body or planet, esp per unit area (尤指身体或星球上每单位面积接收的)日射量 返回 insolation剑桥词典the amount of energy from the sun that reaches the earth 日射能量 返回 insolation