这组电话号码由三个数字组成，很容易记住。

Zhè zǔ diànhuà hàomǎ yóu sān gè shùzì zǔchéng, hěn róngyì jìzhù.

This set of phone numbers is made up of three digits, so it’s easy to remember.

这个团队由十个成员组成。

Zhège tuánduì yóu shí gè chéngyuán zǔchéng.

This team is composed of ten members.

这幅画由许多小画组成。

Zhè fú huà yóu xǔduō xiǎo huà zǔchéng.

This painting is composed of many small paintings.