| 释义 |
roach3/rəʊtʃ/n. Naut. 【海】 1a a curved part of a fore-and-aft sail extending beyond a straight line between its corners, esp. on the leech side (尤指纵帆后缘的)帆边凹弧 b the breadth of this 帆边凹弧的宽(幅)度 2 an upward curve in the foot of a square sail 横帆下缘的弧形切口 [18th c.: origin unknown] |