adit
adit[ˈadɪt]noun- a horizontal passage leading into a mine for the purposes of access or drainage
(进入矿井或排水用的)横坑道,平峒
语源- early 17th cent.: from Latin aditus 'approach, entrance', from adit- 'approached', from the verb adire, from ad- 'towards' + ire 'go'
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