Obsidianite
熔融石; 似曜石
🗣️ 情景例句
No. Instead of exercising, I photographed the class.
没有， 没有， 我在给他们拍照。
Jeff was not pleased with his school grades.
杰夫不满意自己在学校的成绩。
No, they aren't. They're their books.
不，不是我的。这些是他们的书。