Obtuse triangle
钝角三角形
🧩 词语组成解析
🗣️ 情景例句
Well, you can write to her.
嗯，你可以写信给她。
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
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。