Bill Sydeman is the president and chief scientist at the Farallon Institute, a conservation organization based in California.

比尔·西德曼是总部设在加利福尼亚州的环保组织法拉隆研究所的主席兼首席科学家。

The Farallon Plate's greater density makes it sink beneath North America.

法拉龙板块更稠密，并且沉到北美底下。