For example, maybe you will mark main ideas in yellow, important details in blue and new words in orange.

例如，你可以用黄色标出主要思想，用蓝色标出重要细节，用橙色标出生词。

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Students mark the main ideas and important details with a pen or pencil, yellow or blue or orange.

学生们用黄色、蓝色或橙色的钢笔或铅笔标出主要思想和重要细节。

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The Netherlands was a sea of orange today, millions of people adorned that color to mark a historic moment in royalty.

今天，荷兰陷入一片橙色的海洋，数百万民众用这个颜色纪念皇室的历史时刻。

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Like other rescue workers whose job it is to venture underground, Angeli and Steelman spray orange paint to mark the places they have searched.

CNN: workers

The marches, commonly referred to as the Orange Walk, are celebrations which mark Prince William of Orange's victory over King James at the Battle of the Boyne in 1690.

BBC: Orange parades 'pass peacefully'

Mr. Cuomo and women's-rights groups have begun a pressure campaign against a group of Republican senators to extract their support, including Phil Boyle of Long Island, Joseph Robach of the Rochester area, John Bonacic of Orange County and Mark Grisanti of the Buffalo area.

WSJ: Cuomo Abortion Push Sets Up Fight In N.Y. Senate