The text boxes in the left panel have been placed in a random order. Restore the original order by dragging the text boxes from the left panel to the right panel.
左栏的文本框排列顺序是乱的。请把它们拖到右栏，恢复成原文的正确顺序。
Source
1This mechanism inspired him to create Velcro, a fastener with hooks on one side and soft loops on the other, named by combining French “velours” and “crochet”.
2Swiss engineer George de Mestral once returned from a hike with his dog and found many burrs clinging tightly to his trousers and the dog’s fur.
3The discovery revealed the burrs were covered with tiny hooks that could latch onto fabric loops and fur firmly.
4Curious about this attachment, he took some burrs home and examined them with a magnifying glass first, then a microscope.
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