Opticity
旋光性, 光偏振性
🗣️ 情景例句
And Dad saved his life.
爸爸救了他的命。
All men cannot be first.
不可能人人都得第一名。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。