Birefraction
双折射
🗣️ 情景例句
Susan, I'd like to continue this conversation later. Susan
我希望等一下能继续我们的谈话。
Would you ming calling her sometime?
你可以找个时间打电话给她吗？
Our product is lower priced than the competition.
我们产品价格低廉，具有竞争力。