较老的岩层渐渐风化.The older strata gradually disintegrate.岩层中有证据表明，该地区在15,000年前曾经非常干旱。Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.这一岩层中有大量燧石.This layer of rock contains a lot o...
他攀上台阶时,手不离扶栏.He kept his hand on the rail as he climbed the steps.扶栏支柱.One of the supporting posts of a handrail.趵突泉是公园内的主景, 四周有大块砌石, 环以扶栏.Baotu Spring is the main park scenery, surrounded by a large stone, ring with rai...
肥料 、 种子及基本耕种用具由承办商提供.Farming tools, seeds and fertilizers are provided by our gardening contractor.该公司说, 这将使棕榈岛集团拖欠款项的承办商数量减少了一半.That should clean Nakheel's slate with half its contractors, the firm says.青马管制区由私营管理承...
You are propagandising by attempting to mix evolutionism with biochemistry.你把进化论和生物化学搞混了.There are two main types of uses of radioactive isotopes in biochemistry.在生物化学中,放射性同位素主要有两方面的应用.She studies biochemistry, or the sc...