相关单词同义词valid, effective, virtual, telling, significant, 近义词 accessible, at hand at one's disposal, at one's elbow, convenient, free, handy, obtainable, on hand on tap open, ready for service, ready for use反义词in use, inaccessible, unusable, occupied spoken for, taken, inconvenient, unavailable, unobtainable临近词avalanche, avail, available K, AvailableIn, Available N, Available B, Available S, available P, available Pb, available Si, available to, Available Mn相似词AV, avail, avail yourself of sth, availability, avalanche, avarice, avatar, Ave, 返回 available