基本解释泡沫塑料袋英汉例句双语例句They were in the plane's cargo area in a bag inside a plastic foam box , which was studded with air holes.他们被放在货舱内一个配有塑料发泡盒的袋子里，这个袋子有透气孔。专业释义经济学泡沫塑料袋