Planimeter
n. 测面器, 面积仪, 求积计\\n[医] 面积计
🗣️ 情景例句
I had dinner with him Saturday,
星期六我与他一起吃晚餐，
Do you want to airmail it or not?
你想发航空信吗？
Let me explain why I was late.
让我解释迟到的理由。