| 单词 | 竖井 |
| 释义 | 〔well〕A deep hole or shaft sunk into the earth to obtain water, oil, gas, or brine.井：陷入土地中，用来取水、油、气或咸水的深孔或竖井〔pit〕The shaft of a mine.竖坑：矿的矿井或竖井〔stairwell〕A vertical shaft around which a staircase has been built.楼梯井：被楼梯围绕的竖井〔mineshaft〕A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations.竖井：地面下一竖直、倾斜的走道，用于探矿或采矿及地下作业的通风 |
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