单词：Schopper folding machine
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[00:00.00]unit 3 I'm washing the car. [00:15.60]Conversation [00:18.65]Listen and look. [00:22.20]It's Saturday! Jenny! Let's play! [00:29.86]I'm sorry,Gogo.I can't play today.I'm busy. [00:37.02]What are you doing? I'm washing the car. [00:42.37]I'm
开心学英语第四册
One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi
经济学人科技系列
A New Use for Old Books Some people are using old books to create works of art, including sculptures. 有人用旧书来做艺术品，比如雕塑。 They can change the shape of a hardcover book so it becomes three-dimensional, for example. The res
2017年VOA慢速英语(八)月
One of my favorite hobbies is origami, or Japanese paper folding. Origami is the art of folding paper in different ways to make beautiful objects such as a crane, box, frog, or balloon. The origin of origami dates back hundreds of years, and origami
空闲时间—In Your Free Time
589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮；行星齿轮 epicyclicgear 593 、 固定夹；台夹 benchholdfast 594 、 固定
英文名句短语
Hi, everyone. Hows your day going? This morning, the Metro was loud, hot and crowdedagain. And the train driver kept stopping and starting so I lost my footing and bumped into someone. Ugh. I need a different way to get to work! But what? Oh, I know:
2019年VOA慢速英语(二)月