Line a sieve with cheesecloth and set the sieve over a glass bowl or measuring cup.
把棉布线筛罩在玻璃碗或量杯上。
Let sit for 30 minutes. Set a strainer over a bowl, and line it with cheesecloth.
30分钟后,在碗上架一个滤网,并铺上粗棉布。
Notice that a line from the two outermost stars in the bowl of the Big Dipper point to Polaris, the North star.
请密切注意星座勺子的边缘,两颗星星之间的连线指向的北极星。
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