sandstone的音标：sandstone的英式发音音标为：['sændstəʊn]sandstone的美式发音音标为：['sændstoʊn]...

The fossils at Dinosaur Cove are embedded in hard sandstones.恐龙峡谷中的化石都嵌在坚硬的砂岩中。Alternating sandstones and shales are regarded as important.蚀变的砂岩和页岩是很重要的.The coarsest sandstones intercalated with grey mudstones.最粗粒砂岩与灰色泥岩...

I must have driven past that place thousands of times.我得有上千次开车经过那里。There are thousands of students absolutely gagging to come to this university.肯定有成千上万的学生都渴望到这所大学念书。Thousands of refugees are packed into over-crowded tow...