己: Ⅰ代词(自己) oneself; one's own; personal 短语和例子坚持己见 stand to one's assert; hold on to one's own views; 舍己为公 make personal sacrifices for the public good; 引为己任 regard as one's (own) duty; 各抒己见。
Arkema has developed this kind of polyamide powders for their solvent and heat resistance as well as their hardness 代表一个系列的超细聚酰胺粉末,它是由十二内酰胺和/或己内酰胺聚合而得到。