对于19世纪的同行来说，罗伯特·布朗是植物学巨匠。To his 19th-century peers, Robert Brown was the prince of botany.他的发现被誉为本世纪植物学的最重大发现。His discovery was hailed as the botanical find of the century.这一领域有重大的植物学研究价值。The area is of great botanical i...
Objective To improve clinically recognition of the eardrum - mastoid process operation.目的提高临床对中耳乳突手术的认识.I am afraid that a bony destruction is taking place in mastoid.我担心在乳突部有骨质破坏.You have suffered from acute infection o...