动词
中文翻译：伸展
同义词：
['extend', 'unfold', 'expand']
例句：
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1.The tent was extended to provide shelter for the group.
帐篷被伸展开来为小组提供庇护。
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2. The artist carefully unfolded the scroll and began to paint.
艺术家小心翼翼地展开卷轴并开始绘画。
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3. The company expanded its operations across several countries.
该公司在几个国家扩大了其业务。