暴雨: torrential rain, rainstorm...
下载: to download, also pr....
冒: to emit, to give off, to send out (or up, forth), to brave, to face, reckless, to falsely adopt (sb's identity etc), to feign, (literary) to cover...
河流: river...
拓展: to expand (one's client base, outlook etc)...
主食: main food, staple (rice and noodles)...
灯泡: light bulb, see also...
熟悉: to be familiar with, to know well...
如今: nowadays, now...