In waste and uninclosed lands, any person who discovers a tin mine may mark out its limits to a certain extent, which is called bounding a mine.
在荒野荒野中，凡是发现锡矿的人，都可以在一定程度上划出界限，称为界矿。
Bounding mine
原声例句
国富论（二）
英语百科
Bounding mine
![Cross-sectional view of a US M2A4 bounding mine showing the fuze mechanism](/Images/godic/202501/01/M2A4_mine_M6A1_fuze1030.jpg")
A bounding mine is an anti-personnel mine designed to be used in open areas. When tripped, a small propelling charge launches the body of the mine 3–4 feet (0.9–1.2 metres) into the air, where the main charge detonates and sprays fragmentation at roughly waist height.