单词:
单词: 相关文章
DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI
[00:00.00]151.That is too bad! [00:00.93]那太可惜了! [00:01.85]152.Is that so? [00:02.77]真有那回事吗? [00:03.68]153.I'm through! [00:04.49]我完了! [00:05.30]154.I'll see. [00:06.05]我考虑一下。 [00:06.79]155.Are you all rig
Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went
这位著名的科学家随后讲到,就在那个时候,他知道他无需担心会犯错误。相反,他意识到错误恰恰是我们学习新知识的一个机会,而这一点,正是科学实验的本质。即使实验完全失效,我们
这位著名的科学家随后讲到,就在那个时候,他知道他无需担心会犯错误。相反,他意识到错误恰恰是我们学习新知识的一个机会,而这一点,正是科学实验的本质。即使实验完全失效,我们