screen monitor - what we call this things? , roll up keyboard - what types of keyboard is this? , blogger - this is ...... , printer, software - known as? , Motherboard - what do we call this? , hardware - software or hardware? , gmail - to send and receive email, copy - to duplicate , cut - remove ,

Typing technique

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？