docking station
noun/ˈdɒkɪŋ steɪʃn/
/ˈdɑːkɪŋ steɪʃn/
(also dock)
(computing)- a piece of equipment to which a laptop, smartphone or other mobile device can be connected, to provide access to a power supply or so that it can be used with a printer, a keyboard, speakers, etc.
（便携式设备的）扩展坞