Complementary angles
n. [数] 余角
🧩 词语组成解析
complementary
['kɑmplə'mɛntri]
adj. 互补的;补充的，补足的;
com加强+ ple填满+ ment表名词 + ary...的 →complement填满=补充+ ary...的 → 补充的
n. 角度（angle的复数）
🗣️ 情景例句
and then a big red barn.
然后就是一座大的红色仓。
You look tired. Have you been getting enough sleep?
你似乎累了。睡眠充足吗？
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。