调试技巧：加打印语句观察每轮变化
Thought to be made from a cattle femur, this decorated Anglo-Saxon spindle whorl, used to provide weight while spinning yarn, was unearthed from farmland near Bishopstone, Buckinghamshire.
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武陵山深处，湖南花垣县十八洞村，绣娘石春英穿针引线，银针在彩线间穿梭。“手工的苗绣，特别受欢迎。”货架上50多款苗绣，不少都被游客预订。
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Veronica Viera, the company's payload operations lead, shows us an image that the satellite beamed back from space.