单词：cyclina sinensis
环文蛤
单词：cyclina sinensis 相关文章
-How does it work then? There are millions of insects out there in the air you sweeping. You target specific individuals.-That's right, so we have an individual honey bee which will be carrying this very small fine container on its back. And that's t
发表于:2018-12-27 / 阅读(128) / 评论(0)
探索与发现2013年
探索与发现2013年
The site was once a spring-fed pond, full of water. Mammoths were tempted in to drink. But when they tried to climb back out, the banks were steep and slippery. Just like the short-faced bear imprisoned underground, some became trapped. Scavengers wo
发表于:2019-01-23 / 阅读(151) / 评论(0)
探索与发现2012年
探索与发现2012年