Spherograph
球面三角计算盘
🗣️ 情景例句
It's the world's largest island, but it's also the world's smallest continent.
它是世界上最大的岛屿，同时也是世界上最小的洲。
Where were you during the month of April last year?
去年四月份你在哪里？
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。