Rainan.雷纳; 雷娜rainn.雨；雨水v.下雨；(雨点般)落下Rain turns dust into mud.雨把尘土变成了软泥。Rain down scores of rockets投放大量火箭弹Rainfed agricultural region雨养农业区Rain and fresh water damage淡水雨淋损失rain-flow counting method雨流计数法rainstorm attenuation index暴雨衰减指数rainwater storage reservoir雨水调蓄池rainwater becoming resource雨水资源化rainstorm intensity formula暴雨强度公式rain influence on ...给 ... 很大影响