劳务: service (work done for money), services (as in goods and services)...
海量: huge volume...
此前: before this, before then, previously...
帘子: curtain...
移民: to immigrate, to migrate, emigrant, immigrant...
未经: not having undergone, without (having gone though a certain process)...
呼啸: to whistle, to scream, to whiz...
足: foot, to be sufficient, ample...
打针: to give or have an injection...
搜救: search and rescue...
