He decided to specialize in entomology after graduation.他决定毕业后专攻昆虫学.Research opportunities exist in a wide range of pure and applied areas of entomology.纯理论昆虫学和应用昆虫学的众多领域都存在着研究机会。The study of plant resistance to insects ...
他将文件叠起来，塞进自己的书桌抽屉里。He folded the papers and stuck them in his desk drawer.他的书桌上有大堆的书籍和文件。On his desk is a mass of books and papers.管家迅速来到牧师的书桌前接电话。The housekeeper moved smartly to the Vicar's desk to answer the call...