例句與造句

1. The ejection scenario , on the other hand , attributes brown dwarfs to dynamical interactions that can toss an embryo out of the molecular cloud
   另一方面，排斥說將棕矮星歸因于將胚胎扔出分子云的動態(tài)交互作用。
2. It's difficult to find dynamical interaction in a sentence. 用dynamical interaction造句挺難的