Kalvar
卡尔瓦尔光致散射体
🗣️ 情景例句
about us not having dinner with the family,
对于我们无法与全家人共进晚餐一事
All bags contain an inner waterproof lining.
所有包内都有一层防水内衬。
Why are you in here?
你为什么在这里呢？