raining是什么意思,raining怎么读

七年级下册英语unit7it's_raining_全单元课件ppt
raining
倾盆大雨 it is raining cats and dogs.
it's raining heavily. there's a heavy rain. 雨下得很大.
倾盆大雨 pouring, raining very heavily 倾盆大雨