several decades meaning in English
几十年
Examples
- Their productive cycle covers several decades .
它们的生产周期可延续几十年。 - The empress dowager of the qing dynasty attended to state affairs for several decades .
清朝慈禧太后垂帘听政几十年。 - It usually takes several decades for atherosclerosis to reach an advanced stage .
动脉粥样硬化一般要经几十年才发展到晚期。 - For several decades thereafter control of infectious disease was based exclusively on the use of antisera and vaccines .
此后几十年间，传染病几乎全靠抗血清及疫苗来控制。 - Agitation for effective public control of railroad rates and services antedated the progressive movement by several decades .
争取有效控制铁路运价和服务的鼓动工作，早在进步运动之前几十年就已开始。