Kalvar
卡尔瓦尔光致散射体
🗣️ 情景例句
Going swimming should be a good way of letting your hair down after a hard day's work.
游泳是在辛苦了一天后放松自己的好方法。
I worked as an intern in that firm last summer.
去年夏天我在那家商行实习。
I think it's broken.
我觉得好象坏了。