braces

基本解释

That's why it's using set braces, so don't worry about that.
这也是为什么字典用了集合的括号的原因，因此对这一点不用担心。
I have to make an appointment to get braces for Dorothy's teeth.
我现在还得去牙科医生那儿给多萝西装一副矫牙套。
Functions can refer to any variable in their lexical scope (the nested braces surrounding the function's definition), such as the local variables of a function that defines them.
函数可以引用词法作用域（包围函数定义的嵌套括号）内的任何变量，例如本地变量（由函数定义）。

You can put a variable there, and because it's not encapsulated in curly braces, as we just discussed, that essentially means it's accessible everywhere in that file.
你可以加入一个变量，因为它不是封装在花括号里，就像我们刚才讨论的，本质的意思是它可以在文件的所有地方,都可以被访问到。
哈佛公开课 - 计算机科学课程节选
So when you define a function, you have, as we've seen these curly braces, that define all ; of the code that's associated with that function; open curly brace code, close curly brace, that is the function.
当你定义一个函数，就像我们看到的这些花括号，定义了与,那个函数相关的所有代码;,左花括号，代码，右花括号，这就是一个函数。
哈佛公开课 - 计算机科学课程节选
That's why it's using set braces, so don't worry about that.
这也是为什么字典用了集合的括号的原因，因此对这一点不用担心。
麻省理工公开课 - 计算机科学及编程导论课程节选

Duffield, who's 67, had braces put on his teeth a few months ago so his teenage daughter wouldn't feel bad about her own.
FORBES: Return of Dave

a pair of straps worn over the shoulders by men for holding up the trousers (US and Canadian word suspenders)