compound

/ˈkɑmpaʊnd/

a whole formed by a union of two or more elements or parts

中文释义：化合物；复合物

Salt is a chemical compound composed of sodium and chlorine.

盐是由钠和氯组成的化合物。

The research focuses on the properties of organic compounds.

这项研究关注有机化合物的性质。