learn cpr
学习心肺复苏
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Because there are many of these cases, people should still learn CPR with mouth-to-mouth.
VOA: special.2009.06.09
CPR is not difficult to learn.
VOA: special.2009.08.11
You can learn more at americanheart.org/cpr.
VOA: special.2009.05.20
Learn CPR and get training on an automated external defibrillator, or AED.
CNN: Water safety expert: 'Drowning doesn't just happen'
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