1. The table is made of a flat solid material.
这张桌子由平坦坚固的材料制成。

2. Engineers studied the flat solid surfaces for the construction project.
工程师们研究了建筑项目的平面固体表面。

3. A flat solid block was placed at the center of the platform.
一个平坦坚固的块被放置在平台中央。

A: Is this a flat solid sheet?
A：这是一个平板固体吗？

B: Yes, it is completely flat and solid.
B：是的，它完全平坦且坚固。

1) 平坦的固体形状

2) 表面平滑且结构稳定

3) 常用于材料或几何描述

1. 具有平面形状的坚硬物体

e.g. The engineers tested the flat solid for strength.
工程师们测试了这个平板固体的强度。

2. 用于描述几何或材料特性

e.g. A flat solid layer can support heavy weight.
平板固体层可以承受重物。

noun

1. A solid object or material that is flat and has a stable, firm surface.

Synonym: flat block, plate, slab