唱歌的四个声部是女高音 、 女低音 、 男高音和男低音.The four parts in singing are soprano, alto, tenor and bass.她唱歌的嗓音很自然.She sings with a natural voice.如果我来面试歌手的话，请允许我这样说，他不会进入我的乐团来唱歌的。If I was auditioning for a vocalist, let me put it this wa...
I am determined to build on this solid foundation.我决定在这个坚实的基础之上继续努力。He planned to build on a shed.他打算加盖一间库房.You can build on that man's honesty.你可以信赖那个人的诚实....
abbr.medical literature analysis and refrieval system 医学文献分析检索系统，Medical Literature and Retrieval System 医学文献与检索系统，[医]〔MEDical Literature Analysis and Retrieval System〕医学文献检索系统：〔美〕国立医学图书馆的电子计算机目录系统，由此产生《医学索引》(Index Medic...