双层

Traditional form:

雙層

Pinyin (reading):

shuāngcéng

Definitions:

• double tier
• double decker

Characters:

• 双 - pair, couple; both; measure word for things that come in pairs
• 层 - layer, floor, story, stratum

Traditional characters:

• 雙 - pair, couple; both; measure word for things that come in pairs
• 層 - layer, floor, story, stratum