名词
中文翻译：沙堡
同义词：
['sandcastle', 'sandcastle tower', 'sand pagoda']
例句：
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1. The children wereplaying in the sand tower when it collapsed.
孩子们在沙堡玩耍时，它倒塌了。
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2. The ancient ruins of the sand tower are still visible from a distance.
古代沙堡的遗迹仍然可以从远处看到。
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3. The sand tower was built as a tourist attraction and has become a popular spot for picnics.
这座沙堡作为旅游景点而建，现已成为野餐的热门地点。