这种药物通过激活效应分子来增强免疫反应。

The drug boosts immune response by activating ___effector molecules.

这台机器的执行器将电信号转换为机械运动。

The machine's ___effector converts electrical signals into mechanical movements.

这种效应蛋白能显著提高酶的催化效率。

This ___effector protein can significantly increase the catalytic efficiency of the enzyme.