對講機

Correct; right; towards; at; for; regarding; to treat; to face; to reply; to match; to compare; to adjust; to suit.

To speak or talk; to explain or clarify; to negotiate or discuss; to emphasize or pay attention to; to compare or compete.

machine; mechanism; aircraft; opportunity; crucial point; pivot; quick-witted; flexible; organic; the origin or cause of something; inner desires or worldly thoughts.