Is he a triad member?

他是黑社会会员吗？

youdao

One of the principal Hindu deities, worshiped as the protector and preserver of worlds. Vishnu is often conceived as a member of the triad including also Brahma and Shiva.

毗湿奴印度主要神灵之一，作为世界的保护和维持者受到崇拜。毗湿奴常被认为是包括。

youdao

And he found that the middle member of the triad had an atomic mass that was midway between the atomic masses of the end members.

他发现三元组中间的元素,的原子质量,是位于两端的元素的原子质量,的中间。

麻省理工公开课 - 固态化学导论课程节选