科技: (科学技术) science and technology◇科技版 science and technology page; 科技创造 scientific and technological creation; 科技成果 scientific and technological achievements; 科技成果商品化 commercial use of scienti
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