| 释义 |
forth generation
基本例句
第四代
This paper reviewed the progress of the fourth generation antibiotics cefoselis sulfate.综述了国内外第四代头孢类抗生素硫酸头孢噻利的合成研究进展。
By the fourth generation, any immigration-related incentives to work hard are largely nonexistent.到第四代，任何与移民努力工作的激励因素基本上荡然无存。 |