| 释义 |
rain·fallBrE /ˈreɪnfɔːl/NAmE /ˈreɪnfɔːl/ noun [U, sing.] the total amount of rain that falls in a particular area in a particular amount of time; an occasion when rain falls 降雨量；下雨◆There has been below average rainfall this month. 这个月的降雨低于平均降雨量。◆an average annual rainfall of 10 cm 10 厘米的年平均降雨量 arid, climate, continental climate, equatorial, frigid, harsh, humidity, rainfall, tropical, zone |