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Science and technology: Air-pollution: Breathtaking 科学与技术:空气污染:屏气吞声 Air-quality indices make pollution seem less bad than it is. 空气质量指数粉饰了空气污染情况。 Smoking a whole packet of cigarettes in a
[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课: [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many
[ti:UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?] [0:00.532]UNIT 2 第二单元 [0:01.935]Lessons 9~16 第9~16课 [0:04.780]Plant a Plant! 培育植物! [0:06.829]You Will Learn 你将学到 [0:09.105]Functions 实际应用 [0:10.888]Ta
世界各地,在哪里身为母亲最令人感到幸福,而在哪里身为母亲又是最受罪的呢?同样是母亲,就因为地域,待遇也是明显的不同。 Jen: Hello and welcome to another edition of 6 minute English. My name is J
The Worlds Biggest Spittoon In the spring, the eastern half of North America turns into one big spittoon for spittlebugs. Wandering through a meadow, its easy to spot the gobs of foam they produce, stuck to the stems of various plants. What makes spi
Jen: Hello and welcome to another edition of 6 minute English. My name is Jennifer. Neil: And I'm Neil. Jen: And today we are going to talk about research that looks at conditions for mothers in different countries. Neil: I've heard that in Brazil th