Opticity
旋光性, 光偏振性
🗣️ 情景例句
I'm glad you came by, Alexandra.
我很高兴你能来 Alexandra。
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
It is about two hundred metres from his home.
汽车站离他家二百米左右。