Van Allen described how the Earth is surrounded by belts of high-energy particles — mainly protons and electrons — that are held in place by the magnetic fields.

范-艾伦描述了地球是任何被高能粒子带(主要是质子和电子)包围着，地球用磁场拉住它们。今天，这些辐射带被称为范-艾伦带。

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By law, seat belts must be worn by all passengers.

按照法律规定，所有乘客都必须系安全带。

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The wearing of seat belts is required by law.

法律规定必须系安全带。

《牛津词典》

That space is now a high-end Italian men's boutique, the view of Central Park obstructed by belts and jeans.

WSJ: Gatsby Slept Here

Whereas similarly well-placed cities in the south-east such as Oxford or Guildford are restrained by green belts and Byzantine planning processes, these places embrace developers.

ECONOMIST: Some parts of England are not afraid of development

Chrysler's plan is to replace its antiquated Wrangler factory in Toledo with four separate plants, each one dedicated to a specific manufacturing process and connected to the others by conveyor belts.

FORBES: Saving Chrysler