这位作者的目标是让复杂的科学概念易于被大众理解。

The author's goal is to make complex scientific concepts ___accessible to the general public.

优秀的老师拥有让困难学科变得通俗易懂的天赋。

Good teachers have the talent for making difficult subjects ___accessible.

这部纪录片以通俗易懂的方式呈现了历史事件，避免了过于技术性的语言。

The documentary presented the historical events in an ___accessible manner, avoiding overly technical language.