oftentimes we use this to refer to blood. I'm going to look at my notes  

很多時候我們用它來指代血液。我要看一下我的筆記

circulatory has five beats we are going  to stress beat or syllable number one serk  

循環系統有五個節拍，我們要強調的是第一節拍或音節Serk

you la tor e circulatory circulatory circulatory  circulatory and circulation we have four beats  

我們有四個節拍的循環系統和循環系統

we're going to shift the stress towards the end  of the word to beat number three serk you lay shun

我們要把重音移到詞的末尾，打出第三拍，Serk you lay shun

circulation circulation circulation circulation  circulatory circulation circulatory circulation

血液循環 血液循環 血液循環 血液循環