Opticity
旋光性, 光偏振性
🗣️ 情景例句
How does she get by on such a small salary?
她靠那么一点薪水怎么过生活？
Did you hear that we would have a holiday next work?
你有没有听到下周可以休假的事？
He is swimming across the river.
他正横渡小河。