据英国《自然·生态与演化》杂志近日发表的一项研究,加拿大和英国团队报告了一种此前未知的下孔类物种的化石,下孔类与现代巨蜥类相似。
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President Xi: China and France should jointly prevent a new cold...
By Chris Michael
“As the world goes through transformation and turbulence not seen in a century, China and France should uphold their independence and jointly...