1, black background paper, the new layer, make a rectangular selection filled with color.
基于1个网页-相关网页
black background paper
黑底纸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Competitors shoot from the prone position at a paper or plastic target on a wooden frame, with a round, black aiming mark on a white background.
BBC: HOW FULL BORE EVENTS UNFOLD
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模块下移
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