Obtuse-angled triangle
钝角三角形
🧩 词语组成解析
a. 有角的, 成角度的
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
Did you see the special last night?
昨晚你看特别节目了吗？
He is heavily insured against death.
他给自己投了巨额的人身保险。