workable
adj
1 that will work2(3); practicable or feasible 行得通的; 切合實際的; 可行的
a workable compromise, plan, scheme 行得通的折衷辦法、 計畫、 方案.
2 that can be or is worth working (work2 5) 值得經(jīng)營的
The silver mine is no longer workable, eg because it is flooded or because the ore is exhausted. 這個銀礦不值得開采了(如因積水或礦石儲量將盡).