这位生物学家是个活力论者，坚持认为生命现象无法仅用物理化学定律解释。

The biologist is a ___vitalist who insists life phenomena cannot be explained solely by physico-chemical laws.

这位哲学家的观点倾向于活力论，他认为生命现象无法仅用物理化学原理解释。

The philosopher's ___vitalist perspective suggests that life phenomena cannot be explained solely by physical and chemical principles.