With the blue arrow pointing to our current position.
蓝色箭头指向我们现在的位置。
The trace is represented as a blue arrow, as shown in Figure 27.
跟踪用蓝色箭头表示，如图27所示。
Only the arrow head, carved from some milky blue stone, had any color.
只有箭头，是用乳状的蓝宝石雕刻的，发出一些色泽。
Only the arrow head, carved from some milky blue stone, had any color.
只有箭头，是用乳状的蓝宝石雕刻的，发出一些色泽。
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