滤砂

Traditional form:

濾砂

Pinyin (reading):

lüshā

Definitions:

• filter sand

Characters:

• 滤 - to filter, to strain
• 砂 - sand, pebbles, gravel; gritty

Traditional characters:

• 濾 - to filter, to strain
• 砂 - sand, pebbles, gravel; gritty