supplementary和complementary的区别
supplementary: adj. 补充的；追加的 n. 补充者；增补物 If our power supply fails, we have a supplementary supply. 如果我们的电源出现故障，我们有备用电源。 complementary: adj. 补足的；（基因序列等）互补的；补充医学的；辅助性的；互补色的；余角的 Basic education and interest teaching must be complementary to each other....