围棋手在竖19条横19条直线交叉的棋盘上用黑白两种颜色的石棋子按规则下棋。
Weiqi is played with black and white stone pieces on a board that is ruled with19 vertical and19 vertical and19 horizontal lines.
从村外向河与路的交叉处望去，便能看到一座座破败的用石头建成的曾被水淹过纱厂，蜿蜒的马路向上盘旋，进入村庄就变成了一条条荒凉暗淡的石街。
Further on, beyond where the road crosses the stream, were the big old stone cotton mills, once driven by water. The road curved up-hill, into the bleak stone streets of the village.
尤其是指与英国垂直式风格有关的一种扇形拱顶的交叉拱肋在接合点的拉长浮凸饰（雕刻的楔石）。
Especially an elongated boss (carved keystone) at the junction of the intersecting ribs of the fan vaulting associated with the English Perpendicular style.
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