noun
pile
/pail/
pile 是什么意思
堆，大堆，大厦，建筑群
A collection of objects laid on top of each other a large sum of money (especially as pay or profit) a column of wood or steel or concrete that is driven into the ground to provide support for a structure the yarn (as in a rug or velvet or corduroy) that stands up from the weave.
词性
noun
难度
进阶
页面用途
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