绿化: to make green with plants, to reforest, (Internet slang) Islamization...
当中: among, in the middle, in the center...
游览: to go sightseeing, to tour, to visit...
集结: to assemble, to concentrate, to mass, to build up, to marshal...
桃树: peach tree...
事: matter, thing, item, work, affair...
此前: before this, before then, previously...
淡: insipid, diluted, weak, mild, light in color, tasteless, indifferent, (variant of ) nitrogen...
礁石: reef...
失效: to fail, to lose effectiveness...
