comprise, compose, consist, contain, embrace, include, involve 区别

Comprise：包含，由……组成。（可用复数的“部分”成分作主语，表构成）
eg.The committee comprises five persons.
   Twenty lessons comprise Book One.

Compose：组成，构成（几个部分构成一个统一体）be composed of
eg.These twelve persons are believed to compose the jury.

Consist：由……构成（不能用被动语态）consist of
eg.Our university consists of 22 departments.
   The entire world consists of matter.

Contain：包含，容纳（它的宾语只是整体的一部分）
eg.Sea water contains salt.
   Whisky contains a large percentage of alcohol
   The hall can contain 2000people..

Embrace: 包括（与include同义）；包围
eg.The hills embrace my hometown.
   This course of study embraces every aspect of the subject.

Include:包括（宾语只是整体的一部分）
eg.Your duty will include washing the test tubes.

Involve: 包括（含必然包含）；使专注；使卷入
eg.Building this road involves the construction of the bridges.
   He was involved in writing a test report.
   This is an experiment which involves a lot of difficulties.