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This will be slightly more difficult because of their trapezium shape.
这会有点不同，因为他们是梯形。
youdao
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A black trapezium is at the top of the ribbon drape and service ribbon.
黑色梯形是在剪彩悬垂和服务丝带的顶部。
youdao
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A black trapezium is at the top of the ribbon drape and service ribbon.
黑色梯形是在剪彩悬垂和服务丝带的顶部。
youdao