But the 1930 s when the situation is a line down.

但是1930年代的时候形势是直线向下.

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You have a line down your face.

你的脸上有条线什么?

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Write your answer on a picec of paper a line down the center of the page.

把你的答案写在一张纸上.在纸的中间从上到下划一道线.

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Step 6 : From this point draw a vertical line down to the horizontal axis.

步骤 6: 从这一点划垂线向下与横轴相交.

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And it is all right to draw a line down the middle of the room.

即使你在卧室中间划一条分界线也没联系.

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On a sheet of paper he drew a vertical line down the middle.

接着他拿出一张纸,在中间画了一条竖线.

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