n. 开采

[ adj ]
extracted from a source of supply as of minerals from the earth
<adj.all>

Mine \Mine\, v. t. [imp. & p. p. {Mined}; p. pr. & vb. n.
{Mining}.]
1. To dig away, or otherwise remove, the substratum or
foundation of; to lay a mine under; to sap; to undermine;
hence, to ruin or destroy by slow degrees or secret means.

They mined the walls. --Hayward.

Too lazy to cut down these immense trees, the
spoilers . . . had mined them, and placed a quantity
of gunpowder in the cavity. --Sir W.
Scott.

2. To dig into, for ore or metal.

Lead veins have been traced . . . but they have not
been mined. --Ure.

3. To get, as metals, out of the earth by digging.

The principal ore mined there is the bituminous
cinnabar. --Ure.

mined \mined\ adj.
extracted from a source of supply as of minerals from the
earth. [Narrower terms: {deep-mined}; {exploited};
{strip-mined}]
[WordNet 1.5]