Slippery bottle and women on South Pole trek 科学家研发 “不粘瓶”,女性探险队远涉南极
本集内容 Slippery bottle solves a sticky problem 科学家研发不粘涂层防止粘稠液体挂瓶
Women prepare for South Pole trek 英国女性探险队即将踏上远涉南极之旅
文字稿 It's something we've all struggled with – how to get that last drop of ketchup out of the bottle. Here at MIT they've developed this clever new technology. The container has been specially engineered to enable the ketchup or any other sticky liquid to slip out easily. Scientists coat the inside with a rough surface. They then put a thin layer over it and they cover that with a liquid which fills in the troughs and forms a very slippery surface. This coating process could cut huge amounts of waste.
我们每个人都遇到过这样的难题:怎么才能挤出瓶子里剩下的最后一小团番茄酱?麻省理工学院(MIT)的一组研究人员开发出了一种巧妙的新技术。该容器已经过特殊的设计改造,能够让番茄酱等任何粘稠的液体轻而易举地从瓶子里流出来。科学家们在瓶壁的内侧涂抹一层粗糙的表面,并在上方覆盖一层轻薄的物质,然后铺上一种能够注满沟槽并形成非常顺滑表面的液体。这个涂层的过程能大量减少浪费的情况。
The Ice Maiden team is heading out across a frozen Norwegian lake at the start of its final training exercise. In September, these soldiers will begin their historic journey hoping they'll succeed and inspire a generation of women. Home for the next few weeks and for the 80 days of the expedition will be a small tent. It will be the bedroom, living room and kitchen.
“冰娘子”探险队准备开始她们出发前的最后一次训练 - 横穿位于挪威的一片结冰的湖泊。今年九月,这批战士们将踏上一段历史性的征途,她们希望能顺利走完全程并借此经历激励一代女性。在接下来的数周以及远征的80天内,她们会住在一顶充当卧室、起居室以及厨房的小帐篷里。
词汇 engineered
(经过)制造的
heading out
动身出发
练习 请从以下词汇中选择适当的答案来完成句子。注意:你可能需要改变单词的时态来完成句子。
engineered / heading out
1. It's a cloudy start across London, but if you're ________ tonight it might be wise to take an umbrella.
2. A new experimental crop of genetically modified wheat has been ________ to use sunlight more efficiently and has boosted greenhouse yields by up to 40%.
答案 1. It's a cloudy start across London, but if you're heading out tonight it might be wise to take an umbrella.
2. A new experimental crop of genetically modified wheat has been engineered to use sunlight more efficiently and has boosted greenhouse yields by up to 40%.
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