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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
At very low temperatures, many liquids turn into a solid.
在极低的温度下，许多液体会变成固体。
一种基本物质状态,能保持其大小和形状而无需容器(与液体或气体相对)
A substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).
在室温和压力下呈固态的物质
matter that is solid at room temperature and pressure
三维立体图形(与表面、面积或曲线相对)
A three-dimensional figure (as opposed to a surface, an area, or a curve).
物质在中等压力下没有流动倾向；抵抗变形的力(如压缩)；保持固定的大小和形状
the state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape
For health reasons, the doctor advised him to avoid solids for a day.
出于健康原因，医生建议他一天内不要吃固体食物。
A cube is a three-dimensional solid with six equal faces.
立方体是有六个相等面的三维立体图形。
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
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