机 (jī)

 In most cases, the root means "machine". But please notice, this root is never used alone in a sentence.

 

机器 (jī qì) machine 机: machine 器: implement; utensil; ware

 

 机器人 (jī qì rén) robot 机: machine 器: implement; utensil; ware 人: person

 

 手机 (shǒu jī) cellphone 手: hand 机: machine

 

 洗衣机 (xǐ yī jī) washing machine 洗: wash 衣: clothes 机: machine

 

 收音机 (shōu yīn jī) radio 收: receive 音: sound 机: machine

 

 照相机 (zhào xiàng jī) camera 照: reflect; take (a picture) 相: looks; appearance 机: machine

 

吹风机 (chuī fēng jī) hair dryer 吹: blow 风: wind 机: machine

 

咖啡机 (kā fēi jī) coffee maker 咖啡: coffee 机: machine