他想跟她说一部他曾经在生理卫生课看过的一部影片，那是讲胎盘初期因为太过弱小，即使是借助扩音器也无法听到它的心率声。
He wants to tell her about the film he saw in health class about how the embryonic heart is too small to hear, even with amplification.
在生理学理论和实验课的教学过程中，我们采用了模块式教学，尤其在实验教学中，增加了设计性实验模块。
In the course of theory and experiment teaching of physiology, we introduced module teaching method, especially in experiment teaching, we added designing experiment module.
在生理学理论和实验课的教学过程中，我们采用了模块式教学，尤其在实验教学中，增加了设计性实验模块。
In the course of theory and experiment teaching of physiology, we introduced module teaching method, especially in experiment teaching, we added designing experiment module.
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