Ph indicator

pH

氢离子指数\\n[医] 药典; 苯基

indicator ['ɪndɪketɚ]

n. 指示器;[化]指示剂;指示者;

This community has always been very generous.

这个社区一向是非常慷慨的。

I was sick yesterday,but I'm better today.

我昨天病了，但是我今天好一些了。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。