基本解释聚苯乙烯同根派生 ployethylene相关词英汉例句Keywords food packaging;ployethylene;volatile compound;emendatory suggestion; 食品包裝;聚苯乙烯;揮發物;改進建議;Keywords ployethylene glycol 4000;psyllium hydrophilic mucilloid;constipation;function; 關鍵詞聚乙二醇4000;歐車前親水膠躰;便秘;功能性;ployethylene更多例句