开采

to extract (ore or other resource from a mine) / to exploit / to mine

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

to pick / to pluck / to collect / to select / to choose / to gather

color / complexion / looks / variant of 彩[cai3] / variant of 採|采[cai3]

allotment to a feudal noble