chemistry是可数名词吗（chemistry一词是怎么来的）

chemistry是可数名词，复数形式是chemistries

chemistry

美 /ˈkemɪstri/

英 /ˈkemɪstri/

n.

化学；化学过程

双语例句:

Organic chemistry is one of the compulsory courses at his university.

有机化学是他大学的必修课程之一。

The chemistry of this substance is very lively.

这种物质的化学性质非常活泼。