Upper pricision
[经] 精确度上限
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
And I hope you can have a good time tonight.
祝愿你们今晚过得愉快。
When you visit London, one of the first things you will see is Big Ben,
当你游览伦敦时，首先看到的东西之一就是“大本”钟，