lime

/laɪm/

a caustic substance produced by heating limestone

中文释义：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。