| 单词 | blank square |
| 释义 | blank square It begins as a blank square visible on a web page hosted on the museum's website, but responds when clicked by visitors to the site. Retrieved from Wikipedia CC BY-SA 3.0 The numbers were then replaced with blank squares, and participants had to remember which numeral appeared in which location, and touch the squares in the right order. Times, Sunday Times When completed, the squares that have lines are filled; the contrast with the blank squares reveals the picture. Retrieved from Wikipedia CC BY-SA 3.0 Blank squares may be included in this protocol. Retrieved from Wikipedia CC BY-SA 3.0 |
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