lime

/laɪm/

a caustic substance produced by heating limestone

Chinese meaning: 石灰

The construction workers mixed lime with sand to make mortar for the bricks.

建筑工人将石灰与沙子混合，制成砌砖用的灰浆。

Farmers often spread lime on fields to reduce soil acidity and improve crop yields.

农民常在田地里撒石灰以降低土壤酸度，提高作物产量。