Prochownick's ethods
[医] 普罗霍夫尼克氏法(新生儿人工呼吸法)
🗣️ 情景例句
How long does your vacation last?
你的假期有多长？
The chances for a promotion look really good, but before I get too old I want to see the world.
提升的机会确实无可挑剔，但是在我变得太老之前，我想去看看世界。
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。