相关单词同义词entry, conception, limitation, beginning, opening, 近义词 doorway 门口, brink 边缘, gateway 门, portal 入口, doorstep 门阶, door 门, verge 接近, entrance 入口, entry 进入, starting point 起点, edge 边缘, dawn 黎明, eve （重大节日的）前夜..., opening 开口, level 数量, limit 限度, maximum 最大量, ceiling 天花板, outside 在外面, divide 划分, doorsill 门槛, limen 阈限临近词thrice, thresh, thresholds, Threshold H, thresholding, thresholdlng, threshold law, Threshold VAR, threshold CNR, Threshold fog, threshold RSA, threshold key相似词threepence, threepenny, threesome, thresh, threw, thrice, thrift, thrift store, 返回 threshold