By using the receptive relaxation reflex of the stomach as a basis, artificial conditioned reflex has been established with the sound of an electric bell or a metronome as indifferent stimulus.

用食道扩张刺激为基础，以电铃声或节拍器声作为条件刺激，可形成胃容受性舒张的条件反射。

youdao

This begins with a stimulus, such as an electric shock, that promotes the fusion of an egg cell that has had its nucleus removed with a donor cell whose nucleus it will assume.

ECONOMIST: Cloning around