科学家们在百合花蕾的每片花瓣边缘和“中脉”或中央静脉上都标上了圆点。
The scientists marked a lily bud with dots along each petal's edge and "midrib" or central vein.
人们总喜欢把最新的和最伟大的技术弄到手中，长期以来，科学家们都相信早期的人类也不例外。
People love to get their hands on the latest and greatest technology, and scientists had long believed that early humans were no exception.
刚刚过去的暖冬，和科学家们有关气候变化的灾难性警告，使许多民众都相信，二氧化碳排放要比核电厂事故或者放射性废料危险的多。
A warm winter, and dire warnings by scientists about climate change, convinced many that carbon emissions might be a bigger danger than nuclear accidents or radioactive waste.
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