西尔弗坐下来，用他的罗盘测了几个方位。
再一次站在你家的前门并用罗盘决定你家的所面对的方位。
Once again stand in your front door and a compass decided to your face orientation.
记录和标绘的罗盘读数最好都是真正的方位。
It is best to record and plot all compass readings as true bearings.
记录和标绘的罗盘读数最好都是真正的方位。
It is best to record and plot all compass readings as true bearings.
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