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
过滤: [工业] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straining; filterion 短语和例子用沙过滤的 filtered through the sand; 固体颗粒从溶液中过滤出来。 the solid particles were fi
