名词
中文翻译：凝胶层
同义词：
['gel layer', 'gel coat', 'gelatinous coating']
例句：
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1. Thescientist used a microscope to observe the gelatinous layer of the sample.
科学家使用显微镜观察样本的凝胶层。
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2.The car's engine compartment was filled with a gelatinous layer of oil.
汽车引擎舱里充满了一层油的凝胶状物质。
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3. The chef carefully removed the gelatinous layer from the cake before serving it.
厨师小心翼翼地从蛋糕上移除了凝胶层，然后才将其端上桌。