Kalvar
卡尔瓦尔光致散射体
🗣️ 情景例句
Please come and see me in my office on the 20th floor.
请到二十楼我的办公室来见我。
Don't be so stubborn!
你还嘴硬！
Our service, so far, has been very well-received by our customers .
到目前为止，顾客对我们的服务质量评价甚高。