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 ...
伦敦时装周将是一场活力四射的盛会。London Fashion Week will be a sparky affair.彩旗增添了盛会的欢乐气氛。The colourful flags added to the gaiety of the occasion.女王出席了在皇家音乐厅举行的音乐盛会.The Queen attended a gala concert at the Royal Festival Hall....