单词	sulfur (s)-free
释义	sulfur (s)-free 不含硫的
随便看	elastic expansion elastic expansion joint elastic explosive elastic extension elastic extenuation elastic fabric elastic-failure elastic failure elastic failure criterion elastic fastening elastic fastening device elastic fatigue elastic feedback elastic feedback controller elastic feel elastic fendering elastic fiber elastic fiber hyperplasia elastic fibers elastic fibre elastic fibrocartilage elastic fibro-cartilage elastic fibroma elastic fibrosis elastic fibrous layer 丢三拉四丢三落四丢下耙儿弄扫帚丢人现眼丢卒保车丢盔卸甲丢盔弃甲丢盔抛甲丢魂丢魄丢魂丧胆结草虫结记结论结识结语结账结转结里结巴结铃结队