- fill-in marking
- 填: fill; stuff
- 色: colour
- 标志: sign; mark; symbol; hallmark ...
- 安全色标志: tactile sticks-a sign of safety colours; tactile sticksa sign of safety colourss; tactile sticks－a sign of safety colours
- 彩色标志: color
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填色标志的英文
发音:
- fill-in marking
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