bound together

基本解释

If so, how are they bound together?
如果是这样，如何将它们绑定在一起？
Outbreaks of foodborne disease have become an especially large menace in a world bound together by huge volumes of international trade and travel.
食源性疾病疫情已成为我们这个被海量国际旅行和贸易紧紧捆绑在一起的世界中一项尤为重大的威胁。
One of the fundamental building blocks of matter, called quarks, are bound together by gluons to form 'composite' subatomic particles such as protons and neutrons.
夸克是这种物质的最基本构造块之一，它被胶子束缚在一起形成亚原子粒子“混合物”，如质子和中子。

They also have binding sites for antigen, but they are sort of two IgG type molecules bound together by another peptide chain.
同样IgA抗体表面也有与抗原结合位点,但它们就像两个IgG型分子,通过肽链相互连接
耶鲁公开课 - 生物医学工程探索课程节选

It means that, in a moral sense, all of our fates are bound together.
WHITEHOUSE: Our Top Stories
This is several hundred pages of electronic paper bound together, with a computer concealed in the spine.
ECONOMIST: Showing off
In the past, Vietnam and the United States were bound together by the war to contain international communism.
CENTERFORSECURITYPOLICY: Betraying Free Vietnam