单词：diamond tweezers
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Monica:Hey, Rach. How was it with your friends? Okay! How would you like some Tiki Death Punch? 嘿！Rach，和你的朋友怎么样了？好吧，要不要来点潘趣酒？ Rachel:What's that? 那是什么？ Monica:Weeeell, it's rum, and 恩，有朗
老友记精校版第1季
[00:09.09]Reading [00:10.74]COLLECTING STAMPS AND COINS [00:14.18]Staring a stamp collection is easy and not very expensive. [00:19.44]Before you start, you need to decide what kind of stamps you want to collect. [00:25.60]Most people collect stamps
高中英语人教版必修第三册
[00:09.09]Reading [00:10.74]COLLECTING STAMPS AND COINS [00:14.18]Staring a stamp collection is easy and not very expensive. [00:19.44]Before you start, you need to decide what kind of stamps you want to collect. [00:25.60]Most people collect stamps
高中英语人教版必修高三
Welcome. And congratulations. I am delighted that you could make it. Getting here wasn't easy, I know. To begin with, for you to be here now trillions of drifting atoms had somehow to assemble in an intricate and intriguingly obliging manner to creat
万物简史
They are the most important things, if you are like me, you mute the game and watch the spots. And P. Diddy is in the, back in for Diet Pepsi now. Here is a little behind-the-scenes footage, and here
访谈录
This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. Imagine tweezers so fine that you could reach right into a cell and manipulate individual molecules. MIT researchers have created such a tweezer, using
Scientific American(七)月