echoing
 反照現象
 Ech·o, v. t. [imp. & p. p. Echoed p. pr. & vb. n. Echoing. -- 3d pers. sing. pres. Echoes ]
 1. To send back (a sound); to repeat in sound; to reverberate.
    Those peals are echoed by the Trojan throng.   --Dryden.
 The wondrous sound
 Is echoed on forever.   --Keble.
 2. To repeat with assent; to respond; to adopt.
    They would have echoed the praises of the men whom they envied, and then have sent to the newspaper anonymous libels upon them.   --Macaulay.
 echoing
      adj : (of sounds) repeating by reflection; "a hotel with echoing
            halls" [syn: echoing(a), reechoing]