单词:
单词: 相关文章
AS IT IS 2016-06-22 #TeaLizard Takes Over Twitter
Module 3 [00:18.18]Things around us [00:19.70]Unit 1 [00:21.11]Colours and places [00:23.33]Look and read [00:26.33]The leaves are green in spring. [00:31.79]They are brown and yellow in autumn. [00:41.33]The sun is yellow in the afternoon. [00:50.21
LULU GARCIA-NAVARRO, HOST: The once-green hillsides of Puerto Rico are now brown. Hurricane Maria stripped bare the lush forests of the island. While it may look depressing in the near term, NPR's John Burnett reports the forests will likely recover.
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Every expecting mother gets asked the question: boy or girl? For mammals like us, its an easy call. Two X chromosomes you get pink booties. X and a Y you g
This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? When I got into a cage with a Komodo dragon almost 10 years ago for a story, I had no idea that its skull was so special. Neither did scientists until now. But a report
To his great surprise, he found himself in a huge net, amid a crowd of fish of all kinds and sizes, who were fighting and struggling desperately to free themselves. 使他惊奇万分的是,他发现自己竟然在一个大鱼网里,夹在一大堆