make up of

make up of
由……组成，构成
The group was made up of doctors.
这个团体是由医生组成的。
No matter what substance it may be, it is made up of atom.
不管这是什么物质，都由原子构成。
Life is made up of little things.
[谚]人生是由琐碎的事物构成的。
The Bull Team is made up of 15 players.
公牛队由十五个运动员组成。
The machine is made up of six main parts.
这台机器由六个主要部件组成。
It is atoms which make up of iron, water, oxygen and so on.
正是原子构成了铁,水,氧等。