辅角[fǔ jiǎo]
explement
1. 辅角
1. explement：explant price 出厂价 | explement 辅角 | expletive 填补物;附加物;补足的;附加的;多余的
2. Complementary angles：Commutative property 交换属性 | Complementary angles 辅角 | Composite number 和成数
3. auxiliary ego：主角 protagonist | 辅角 auxiliary ego | 观众 audience