Read Edit View history 回声 huíshēng echo Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 回声/回聲 · huíshēng · echo 2026/03/04 回声 / 回聲 huíshēng echo echo 他在山谷里大喊，听到了自己的回声。 noun created sense Mar 4, 2026, 02:25 AM