integral ·adjective
Definition: necessary and important as part of something Level: C1
对许多人来说，社交媒体如今已成为日常交流不可或缺的一部分。
Social media is now an ___integral part of daily communication for many people.
智能手机已成为我们日常生活中的一个必要组成部分。
Smartphones have become an ___integral part of our everyday routines.
批判性思维是完善教育体系的一个重要组成部分。
Critical thinking is an ___integral component of a well-rounded education system.