“由……组成”英语短语有：
1、consist of
2 、be composed of
3 、make up，be made up of
4、be formed of
区别：
①consist of------没有
被动语态结构
例句：The United Kingdom consists of Great Britain and Northern Ireland.
联合王国由
大不列颠和北爱尔兰组成。
②be composed of,be made up of --------一般都是被动语态结构
例句：Water is composed of hydrogen and oxygen.
水由氢和氧组成。
The Bull Team is made up of 15 players.
公牛队由十五个运动员组成 。
③make up --------一般是主动语态结构
例句：Life is just a series of trying to make up your mind.
生活就是由一系列你下定决心去做的事组成的。
④be formed of --------由几个独立的部分组成一个完整的东西
例句：The table was formed of two large slabs of stone.
这个桌子由两块石板组成。