The handheld PC can be docked into/with your desktop computer.这台便携式电脑可以和你的台式电脑相连接。Portable computers are good for accessing information while on the move.便携式电脑长于在移动中存取信息。There's a practical limit to how small a portable computer can be.便携式电脑到底能做多小是有实际极限的。