Setprecision
设置精度
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。