原油受到了自然产生的分解油类物质的微生物的侵蚀。The oil is attacked by naturally occurring microbes which break it down.还有更多熟悉的地貌是因地表侵蚀形成的。More familiar landscapes have been sculpted by surface erosion.这会让肥沃的土壤暴露在外，使其容易受到侵蚀。This leaves fertile ...
"Enter-taining is something that everyone in the country can enjoy," she averred.“娱乐消遣是每个国民都能享受的事，”她坚定地说。She averred that she had never seen the man before.她斩钉截铁地说以前从未见过这个男人。The prosecutor averred that the prisoner kille...