B. Prime Coat Touch-up: Immediately after erection, sand smooth any rusted or damaged areas of prime coat and apply touch-up of compatible air-drying primer.
底漆润色： 在竖起以后，应立即打磨光亮，对底漆上生锈或者有损伤的地方进行润色，并使其保持颜色一致。
The tide was going out, and the sand was smooth and glittering.
潮水正在退去，沙滩平坦，闪闪发亮。
In the texture category, the researchers tested metaphors such as "having a rough day" and "using coarse language," by giving people a puzzle to solve that was either smooth or covered in sand paper.
在有关质地的调查中，研究人员通过给人们猜一个或是表面光滑，或是用砂纸包裹的谜语，来测试诸如“不舒服的一天”、“讲粗鲁的话”等比喻。
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