Opticity
旋光性, 光偏振性
🗣️ 情景例句
His wife just found out about his mistress.
他的妻子刚刚发现了他有外遇。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
In Miss Gao's class there are forty-six students.
在高老师的班上有四十六个学生。