名词
中文翻译：记号
同义词：
['mark', 'notation']
例句：
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1. The artist used a ream marker to draw the outline of the painting.
艺术家用记号笔勾勒出这幅画的轮廓。
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2. The teacher marked the test paper with a ream marker.
老师用记号笔在试卷上做了标记。
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3. The engineer drew a ream marker on the blueprint to indicate the location of the pipes.
工程师在蓝图上画了一条记号，以指示管道的位置。