Prochownick's ethods
[医] 普罗霍夫尼克氏法(新生儿人工呼吸法)
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
It is too late to cast anchor when the ship is on the rock.
船触礁后在抛锚，为时已经太晚了。
But real tramps are not beggars.
但真正的流浪并不是乞丐。