英语语法分析

Sasselov had introduced the bald, perpetually sunburned biotech entrepreneur at another lecture that morning, and he’d spent the day squiring Venter around campus.

当天上午，文特尔还要赶去参加另一场演讲，塞萨洛夫一整天都会伴其左右——因为这位秃顶且备受争议的生物技术企业家是他请来的。