1.Anandasankar Ray says a product based on Ethyl pyruvate may cost less to manufacture than DEET
based on 英 美 以…为基础,基于
The plan of our country is based on a rising economy.
我国的计划建立在不断发展的经济的基础上 。
All of the work we do is based on science.
我们所做的一切都是在科学的基础上完成的 。