大多数呼吸道感染都如此,如支原体感染, 传染性鼻炎, 喉气管炎.This applies to most respiratory infections ( e . g . mycoplasma infections, infectious coryza, laryngotracheitis ).目的: 探讨支原体对人类孕育的影响.Objectives: To properly understand the influence of my...
他们说,当前的征兵体系应当逐步废除。They said the present system of military conscription should be phased out.我从学徒开始干起,逐步上升。I started off as an ap-prentice and worked my way up.劳力数量的逐步减少a progressive reduction in the size of the workforc...