Planimeter
n. 测面器, 面积仪, 求积计\\n[医] 面积计
🗣️ 情景例句
You had better study hard.
你最好努力学习。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。