Paper clips are small and simple, but they are very useful.

回纹针既小又简单, 但是他们用起来很棒.

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The paper clip was invented in 1900.

回纹针发明于1900年.

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We are enclosing here an inquiry sheet.

请用回纹针把这些纸张别在一起.

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Submit the following documents in the order as listed below and clipped them on the corner.

请将报名所需各项表件依下列顺序,由上而下整理齐全,用回纹针夹在左上角.

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Add a drop or two of soap to the water. Don't hit the paperclip. What happens?

在水里加入一两滴洗碗精, 但不要碰到回纹针. 会发生什麽变化?

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