恒: Ⅰ形容词1.(永久; 持久) permanent; lasting 短语和例子永恒 eternal; everlasting2.(平常; 经常) usual; common; constant 短语和例子恒言 common sayingⅡ名词1.(恒心) perseverance 短语和例子持之以恒 persevere in (doing sth.)2.(姓氏) a sur
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