So he came up with the ideas that led to the idea of Lewis structures in the very early 1900's.

他就提出了这个想法,进而发展出了路易斯结构在二十世纪初。

麻省理工公开课 - 化学原理课程节选

So Milton is struggling here to catch up with the star-led wizards, who -- as you can note -- are already themselves hasting.

所以弥尔顿在这儿极力想追上由明星引导的术士，你们可以注意到，术士们自己也在匆忙赶路。

耶鲁公开课 - 弥尔顿课程节选