| 释义 |
blue flag 英/ ?blu? ?fl?ɡ / 美/ ?blu? ?fl?ɡ / - 蓝旗：一种环保认证，通常用于表明一个海滩或游艇港的水质、环境管理和安全设施达到了高标准。
1 ?蓝旗 ...ings for yellow flags near your current position on the track 黄旗警告，在赛道你所处的位置如有黄旗 - Blue flags 蓝旗 - Penalties (Drive thru/Stop & go) 受罚 （通过还是罚停） ..
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But by the end, the blue flags, given out in their thousands to the crowd, were flying high. 不过到结束的时候，那些从他们的数千观众散发出来的蓝色的旗帜，仍然是高高飘扬。 - 2
All over the United States, red, white, and blue flags were painted on buildings and trains. - 3
Blue flags define the excavation perimeter, while yellow ones mark the location of fossils or stone tools. 蓝旗用来显示发掘地的周长，而黄旗用来标明发掘出化石或石制工具的地点。
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