基本解释n.皮秒同根派生 英汉例句用作名词 (n.)Transient absorption is based on the idea that molecules absorb light at specific waelengths, and it allows researchers to study eents that happen in less than a picosecond.短暂吸收基于分子吸收特异波长的原理，这使得研究者研究发生反应非常快低于皮秒的事件。