She could have made the sandwich herself; her mum needn't have bothered to do anything...她本来可以自己做三明治的;她妈妈原本不必费心做任何事情。...a double-decker sandwich.双层三明治The vibration behaviour of sandwich structure with spring interla...
She avoided the issue by ordering a turkey sandwich.她点了份火鸡三明治，以此来避开这个重要问题。A surprising number of customers order the same sandwich every day.每天点同一种三明治的顾客多得惊人。Right, who's for a toasted sandwich then?好吧，谁想要吐司三明治？...
The area is of great botanical interest.这一领域有重大的植物学研究价值。His discovery was hailed as the botanical find of the century.他的发现被誉为本世纪植物学的最重大发现。Collect geological samples, faunal materials, botanical specimens, and sediments s...