孙: 名词1.(孙子) grandson 短语和例子长孙 son's eldest son; eldest grandson2.(孙子以后的各代) generations below that of the grandchild 短语和例子玄孙 great-great-grandson; 曾孙 great-grandson3.(植物再生或孳生的) second growth of
洪: i 形容词(大) big; vast; grand 短语和例子洪福 great luck; 洪涛 big wavesⅡ名词1.(洪水) flood 短语和例子防洪 control or prevent flood; 分洪 flood diversion; reduce [mitigate] flood; 山洪 mountain torrents2.(姓氏) a surnam