聚硫酯polythioether: 多硫醚; 聚硫醚polythioamide: 聚硫甲醯胺; 聚硫酰胺polythionate: 连多硫酸盐polythiazole: 聚噻唑polythionates: 多锂酸盐类下载手机词典可随时随地查词查翻译