N-UNCOUNT 特氟龙，聚四氟乙烯(一种防粘锅的涂料) Teflon is a type of plastic which is often used to coat pans. Teflon provides a very smooth surface which food does not stick to, so the pan can be cleaned easily. 特氟龙，聚四氟乙烯(一种防粘锅的涂料) [trademark]