adj.無法得到的；難獲得的
Salt is very dear, and sometimes even unobtainable. 鹽很貴，有時買不到。
It would take a worldwide crisis to make food unobtainable from any source. 只有發(fā)生全球性危機，才會到處買不到食品。
The absolute allocation of these overheads is unobtainable. 這些企業(yè)管理費用的絕對分配是難以獲得的。
