Three-sigma limit
[计] 三界限
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
It's a Stewart tradition. We're a family.
这是Stewart家的传统。我们是一家人。
Mary gave birth to a baby last week.
玛丽上星期做妈妈了。
First of all, they may have come to this planet of ours thousands or millions of years ago,
首先，他们可能在几千年前或几百年万年前已来过我们地球，