concoidal是什么意思 concoidal的读音、翻译、用法

concoidal这个词语来源于英语，意思是“凹凸面的，像贝壳一样光滑的”。它通常用于形容石头、玻璃等物体表面的纹理和形态。

以下是9个含有concoidal的例句：

1. This obsidian rock has a concoidal fracture. (这块黑曜石具有凹凸面的断口。)

2. The glass shards had a concoidal shape. (玻璃碎片呈现凸面形状。)

3. The archaeologist identified the stone tool by its concoidal surface. (考古学家通过凹凸不平的石头表面识别出了这个工具。)

4. The volcanic rock had a concoidal texture that made it ideal for arrowheads. (这种火山岩有凹凸的纹理，非常适合制作箭头。)

5. The geologist explained that the concoidal fractures in the rock were caused by extreme heat and pressure. (地质学家解释说，岩石中的凹凸面是由于极高的温度和压力所致。)

6. The flaked stone tools had a concoidal edge that allowed for efficient cutting. (石制工具的刃口凹凸不平，可以高效地切割。)

7. The artist used a concoidal stone to smooth out the rough edges of the sculpture. (艺术家使用凸面的石头将雕塑的粗糙边缘打磨光滑。)

8. The gemstone had a concoidal surface that showcased its natural beauty. (这块宝石表面凹凸有致，展现了它自然的美丽。)

9. The scientists studied the concoidal fractures in the meteorite to learn more about its composition. (科学家们研究了陨石中的凹凸面，以便更好地了解它的成分。)