单词：knotty problem
knotty problem的用法和样例：
例句
- Heavy traffic poses a problem in many old towns.交通拥挤是许多旧城镇的难题。
- We will tackle this difficult problem.我们将着手解决这个难题。
单词：knotty problem 相关文章
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英语情景对话-日常生活
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Eve and Adam are talking. E: Do you know I've put on 5 kilos since going out with you? A: Why's that? E: You're always taking me to fancy restaurants. A: Well, you don't have to eat so much when we ea
赖世雄中级美国英语
In the past 10 years, I've realized that our culture is rife with ideas that actually inhibit joy. Here are some of the things I'm most grateful to have unlearned: 过去十年里，我意识到我们的文化虽然充满了想法却也抑制了快乐。
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白领英语晨读
Shoelace Study Untangles a Knotty Problem 鞋带易结也易解 Youre strolling down the street or maybe hauling that load of laundry down a flight of stairs when all of a sudden. [sound fx] Your laces come undone. If youve ever pondered what precipi
2017年Scientific American(四)月
Shoelace Study Untangles a Knotty Problem鞋带易结也易解 Youre strolling down the street or maybe hauling that load of laundry down a flight of stairs when all of a sudden. [sound fx] Your laces come undone. If youve ever pondered what precipit
2017年Scientific American(四)月
Simon was an inveterate fisherman, well known for exaggerating the size of the one that got away. But there came a day when he actually caught two enormous flounders. He immediately invited a few friends over to dine, then tried to figure out how bes
趣味英语
By Paul Sisco Washington 01 November 2007 The World Health Organization reports in its latest study 300 million adults around the world are considered obese, and that it is a problem not only in the industrialized nations but elsewhere as well. At th
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趣味英语
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One day in the Garden of Eden, Eve calls out to God, Lord, I have a problem!What's the problem, Eve?Lord, I know you've created me and have provided this beautiful garden and all of these wonderful animals, and that hilarious comedy snake, but I'm ju
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阅读空间
In the past 10 years, I've realized that our culture is rife with ideas that actually inhibit joy. Here are some of the things I'm most grateful to have unlearned: 过去十年里，我意识到我们的文化虽然充满了想法却也抑制了快乐。
英语美文
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雅思英语
There is nothing unusual about energy like coals and oils being consumed, principally because economic development depends on natural resources all the time. But what is happening today is extraordinary judged by the standards of the past. It is ener
雅思英语