grain-size的用法和樣例：
例句
用作名詞 (n.)
- The size of a sediment particle alone is usually not sufficient to describe it.
單顆泥沙的粒徑通常不足以描述其性質。 - With the augmentation of grain size, surface defects of the manganese zinc ferrite nanocrystallines minish, and intergranular free volume combines.
隨著粒徑的增大，納米晶的表面缺陷減小，晶界間的自由體積發生複合。 - These pearls are uniform in size.
這些珍珠的顆粒大小很整齊。 - The average microchip is about the size of a grain of rice.
一般的微型晶元像大米顆粒大小。
