I think they saw it as a natural progression for me.我想他们认为这对我来说是顺理成章的。Both drugs slow the progression of HIV, but neither cures the disease.这两种药物都可以延缓艾滋病病情发展，但是都不能治愈这种疾病。I believe in progression, in taking risks, in neve...
He developed an armillary sphere, on which were carved all the astronomical phenomena known time.经过多年的观察,他研制了一架“浑天仪”.凡是知道的重要天文现象, 都刻在“浑天仪”上了.And a new type sphere - conical roller and globoid cam graduator is designed.并在...