单词:serially reusable
单词:serially reusable 相关文章
This special edition of our show dives into an ocean of plastic, masses of waste accumulating on and around some remote islands in the Pacific. Synthetic plastic, the kind made by people, has been around since 1907, and scientists estimate that almos
A new study into the hygiene of supermarkets has found that shopping carts are dirtier than the stores bathrooms. Microbiologist Dr Charles Gerba of the University of Arizona conducted research on the handles of 85 carts in four American states. He r
[ti:UNIT 8 Save Our World Lesson 58: Stop Pollution!] [0:00.317]UNIT 8 第八单元 [0:02.091]Save Our World 拯救地球 [0:04.878]Lesson 58: 第58课: [0:06.905]Stop Pollution! 禁止污染! [0:09.185]THINK ABOUT IT! [0:10.768]What can you do t
Lesson 58: [00:03.40]Stop Pollution!In North America, [00:08.96]many students help their schools make less pollution. [00:14.73]They join environment clubs. [00:18.99]In a club,people do things together. [00:24.03]In an environment club,people work t
Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久,戴维开始宣布发现一
The environment of the city is getting worse and worse today. There are wastes, air pollution and so on. What can we do to save our city? About the wastes, we should sort the wastes, to see if they can be recycle used; use the reusable shopping bag i
And it'll be a permanent presence 这将会是长程计划 where each mission adds more capability and eventually 每次登月任务都会增强我们在月球上的作业效能 we'll just have people living there. 最后会有人住在月球上 This