The hills are largely carboniferous limestone, which is quarried at several sites.从多处遗址的挖掘来看, 这片丘陵大部分属石炭纪石灰岩.The workmen quarried out a huge block of marble.工人们从采石场采得一块很大的大理石....locally quarried stone.当地采掘的石头The large li...
The workmen quarried out a huge block of marble.工人们从采石场采得一块很大的大理石.The large limestone caves are also quarried for cement.同时还在这些大石灰岩洞里开采水泥原料。He quarried in his old manuscripts.他在旧手稿中寻找资料....