相关单词近义词 specify 详细说明, nail 钉子, narrow 有限的, narrow down 减少, peg 钉, peg down 用木钉钉在地面上(约束)..., settle 解决, finalise 使结束，使完结..., pin down 确定, finalize 完成临近词nail, Naili 返回 nail down