reserveda. 保留的、預備的、預定的、靦腆的、不露感情的、含蓄的、緘默的、冷淡的用作儲備的學術名詞保留的:資訊保留:通訊工程備用:通訊工程英文釋義set aside for the use of a particular person or partymarked by self-restraint and reticence