But you can make material more interesting if you put some effort in before you pick up the book.

但如果你能在拿起书之前做一些工作，那么确实能够让材料变得更有趣。

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Hayabusa, which means falcon in Japanese, landed on the irregularly shaped asteroid in 2005 and scientists think it managed to pick up a small sample of material.

“隼鸟”在日本语中意指猎鹰，以其命名的探测器在2005年降落在形状不规则的小行星“系川”上，科学家打算令其采集一小块小行星物质样本。

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Producer prices are more sensitive to raw-material costs than the price of services is and so pick up inflation signals sooner.

生产价格比服务价格对原材料价格更为敏感所以也更快地显出了通货膨胀的信号。

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For example, one thing that could happen is that you build it up with wood and clay, you pick the wrong material for a bridge, and it will not stand up to the forces of nature.

例如,其中的一个问题是,选择了木头和粘土作为造桥的材料,你就选错了材料,这座桥难以与自然力相抗衡

耶鲁公开课 - 生物医学工程探索课程节选