population I star 星族I星
The sun is relatively young, part of a generation of stars known as Population I, which are relatively rich in elements heavier than helium.
太阳相对来说还年轻,属于我们所谓的i类恒星,这类恒星中的比氦重的元素相对丰富一些。
India is a large country with a big population. I fully understand and accept how important agriculture is to India, as China has a similar situation.
印度是一个人口众多的大国,我完全理解和认同农业对于印度的重要性,因为中国有相似的国情。
Yet treatments and population growth mean that more people than ever are living with H.I.V.
VOA: special.2009.12.08
But what you've got at the top are the early 1790s and I think 1820 in terms of slave population in the American south.
一般,你们会认为南方的奴隶数量,达到高峰是在十八世纪九十年代,而我却认为1820年更准确
I feel like the population in the United Kingdom is not quite as diverse as the United States.
我感觉英国的人口不像美国那么多元化。
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