您要查找的是不是：
- polyethylene n. 聚乙烯
- trichloroethane n. 三氯乙烷
- unearthliness n. 神秘；怪异；可怕
fluoroethylene n. 氟乙烯树脂
fluoroethylene carbonate 氟代碳酸乙烯酯
fluoroethylene resin 氟乙烯树脂
网络短语:
expanded polytera fluoroethylene 膨体聚四氟乙烯
expanded polytetra- fluoroethylene e-PTFE 膨体聚四氟乙烯
Fluoroethylene carbonate 氟代碳酸乙烯酯
fluoroethylene polymer 氟化乙烯聚合物
expanded polyretra fluoroethylene 膨体聚四氟乙烯
polytetra fluoroethylene expanded packing 膨体聚四氟乙烯盘根
polytetrafluoroethylene fluoroethylene polymer electret 聚四氟乙烯及氟化乙烯聚合物