Spherograph
球面三角计算盘
🗣️ 情景例句
Then in that spirit let each of us give thanks.
现在本着同样心意，让我们开始感恩。
Let me do some research on this and get back with you tomorrow.
请让我查查看，明天再给你答复。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。