相关单词同義詞valid, effective, virtual, telling, significant, 近義詞 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反義詞in use, inaccessible, unusable, occupied spoken for, taken, inconvenient, unavailable, unobtainable臨近詞avalanche, avail, available K, AvailableIn, Available N, Available B, Available S, available P, available Pb, available Si, available to, Available Mn相似詞AV, avail, avail yourself of sth, availability, avalanche, avarice, avatar, Ave, 返回 available