Kalvar
卡尔瓦尔光致散射体
🗣️ 情景例句
Well, I'd better be on my way.
好啦，我该走了呢。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
And when do you take your next exams?
还有，你什么时候参加下次考试？