名词
中文翻译：墙底
同义词：
['base', 'floor', 'bottom', 'foundation例句：1. The wall sill is where the bricks meet the ground.（墙底是砖块与地面接触的地方。）']
例句：
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1. The wall sill is where the bricks meet the ground.
墙底是砖块与地面接触的地方。
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2.The builders had to reinforce the wall sill to support the weight of the building.
建筑工人不得不加固墙底以承受建筑物的重量。
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3.The wall sill was covered in moss and lichen, indicating that it had been untouched for many years.
墙底覆盖着苔藓和地衣，表明它已经无人打扰多年了。