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Can Wood Be Stronger Than Steel? Researchers say they have created a new super-material in the laboratory. They say it is stronger, lighter and costs less than steel. 研究人员表示,他们在实验室中造出了一种新的超级材料。他们称
[00:00.00]It's quite easy,isn't it? [00:03.10]Do you want to make one? [00:05.07]Sure.I'll get some paper, [00:07.32]colour pencils and scissors. [00:10.00]Good.Then we can take our planes [00:12.30]to the park and fly them there. [00:15.14]I think m
AS IT IS 2014-11-24 Filipino Fishermen Turn to Fiberglass for New Boats 菲律宾渔民转用玻璃钢造船 Last year, a typhoon seriously damaged Leyte Island in the Philippines. More than 7,300 people died or are missing. Four million Filipinos lo
Rawdon was the sort of man who said, privately, to his men friends, over a glass of wine after dinner: No woman shall sleep again under my roof! He said it with pride, rather vaunting, pursing his lips. Even my housekeeper goes home to sleep. But the
This podcast seems like a very simple one; what could I possibly have to teach about the stairs? Well, there are many kinds of stairs in a home. You have the steps leading up to the front door, or between one room and another. Sometimes a room can be
LESSON 48 The speaking chip 第四十八课 会说话的木板 As I had gone to work one morning without my square, I took up a chip, 我早上工作时忘记带水准尺,我就捡起一块木板, and with a piece of charcoal wrote upon it a requ