名词
中文翻译：参考钉
同义词：
['reference point', 'reference mark例句：1. The scientist used a reference peg to measure the length of the rod.（科学家使用一个参考钉来测量杆的长度。）2. The engineer marked the location with a reference peg before starting the project.（工程师在开始项目之前用一个参考钉标记了位置。）']
例句：
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1. The scientist used a reference peg to measure the length of the rod.
科学家使用一个参考钉来测量杆的长度。
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2. The engineer marked the location with a reference peg before starting the project.
工程师在开始项目之前用一个参考钉标记了位置。
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3. The artist drew a reference peg on the canvas to guide his brush strokes.
艺术家在画布上画了一个参考钉，以指导他的笔触。