英语语法分析

It orbits one of a pair of stars 450 light years away, in the constellation Lacerta , circling its host every few days.

该行星围绕蝎虎座一对恒星中的其中一颗运行，距离地球450光年。

With direct observation and stomach dissection, this paper studied the predatory behavior and meal habit of Lacerta vivipara.

通过直接观察和胃容物分析对胎生蜥蜴的捕食行为和食性进行了研究。