presense
美 英
例句
An epoxy modified acrylic emulsion was prepared at the presense of salt formed by epoxy resin and acrylic resin.
采用环氧树脂与丙烯酸树脂成盐的方法,制得水性环氧丙烯酸树脂。
I'll sign in the presense of all the representatives.
我要当着所有代表的面签字。