something such as energy, money, or information that is put into a system, organization, or machine so that it can operate

I didn't have much input into the project (= the help I gave was small). 该项目我参与不多。

The power input will come largely from hydroelectricity. 电力输入主要来自水力发电。

the part that carries information to a machine, or the place where this is connected

The inputs for the CD-ROM are at the back of the computer. 光盘只读存储器的输入端在计算机的背后。

an input device 输入装置

to put information into a computer or other piece of electronic equipment

I've spent the morning inputting data into the computer. 我花了一上午将数据录入计算机。