Yes.  We used manikins.  That way, we could practice mouth-to-mouth, and chest compressions.

当然。我们用人体模型练习。这样我们就可以练习口对口人工呼吸和胸外按了。

That began to change in 1960, when the combination of mouth-to-mouth ventilation, chest compressions and external defibrillation known as cardiopulmonary resuscitation, or CPR, was formalised.

这种在1960年开始化，当时被称为心肺复苏术（简称 CPR）的口对口人工呼吸、胸部按和体外除颤的组合被正式确定来。

In this scenario, we'regonna utilize the skills of hands-only CPR because we're looking at the lay rescuer or someone who is not comfortable giving mouth-to-mouth resuscitation.

在这种，我们会利用单手心肺复苏术的技巧，因为我们针对的是非专业救援人员或不习惯进行口对口人工呼吸的人。

In the 1950s, little is known about mouth-to-mouth as a life-saving technique.

在20世纪50年代，口对口人工呼吸作为一项救技术鲜为人知。

So Dr. Mussalli did perform mouth-to-mouth on Todd Stermer, trying to resuscitate him.

因此，穆萨利博士确实对托德·斯特默实施了口对口人工呼吸，试图将他救活。

I could not tell if he was alive, so I immediately started blowing air into his mouth.

我无法判断他是否还活着，所以立即开始对他进行口对口人工呼吸。

If the person is not breathing, we must try to start his or her breathing at once, using the mouth-to-mouth method.

如果此人没有呼吸，我们必须立即使用口对口人工呼吸法尝试使其开始呼吸。

News of the training dummy makes its way around the medical world and very slowly people begin learning the importance of teaching mouth-to-mouth in schools.

训练假人的消息在医学界传播开来，人们逐渐认识到在学校教授口对口人工呼吸的重要性。