soft powdery lime

例句：

1. 1. The soft powderylime was used to make the bricks.
   这种软粉石灰被用来制作砖块。
2. 2. The soft powdery lime was usedas a binding agent in the construction process.
   这种软粉石灰在建筑过程中用作粘合剂。
3. 3. The soft powdery lime wasmixed with water and applied to the surfaceof the concrete to improve its strength.
   将这种软粉石灰与水混合后涂抹在混凝土表面，以增强其强度。