This area covers parts of the U.S.states 【of】 Colorado,Kansas,Montana...A of B 通常都指“B的A”吧,而上面句子中的【of】仿佛在说“A的B”,和通常的of意思恰好相反啊?请问这是什么语法现象?

par. The Great Pyramid covers an area of about 13 acres.划线部分:covers an area of about 13 acres__________is the Great Pyramid?(划线部分提问) The reserve covers an area of more than 210000 hectares.同义句The reserve ---- an area of ------ 210000 hectares. The square covers an area of 2000 suqare meters.这句话中,为什么用an area 而不是用areas? 是lies in this area还是lies on this area 翻译：It covers an area of ten and three-quarter acres It covers a area of 83850 square kilometres 是否存在错误? the previous question,what is the area that the circle covers?翻译和解答都要有! What’s the G4 area,it covers which states?这个是关于国际货代问题, This is No parking area HELP KEEP THIS AREA CLEAN. 求翻译,This insurance policy covers us against breakage. This limited warranty covers parts and labor怎么翻译? 18.The Palace Museum covers an area of 720,000 square metres.(改为特殊疑问句)____ _____is the Palace museum? Our city covers a(n)____of 47,000 square kilometersA.ground B.spot C.site D.area The big farmhouse covers an area of 1000m2同义句转化The big farmhouse（）（）an area of 1000m2 Our university covers an area of 2000000 square metres.（就画线部分提问）an area of 2000000 square metres是画线部分 ____ ____ is your university 6 This forest covers an area of 500 s----- kilometers.7 Giant pandas must live in a b----- foeest.8 China one of the oldest c----- in the world.9 the l----- of the Yangtze River is about 6300 kilometers.10 Mount Tai a----- lots of visitors every day.