留样

Traditional form:

留樣

Pinyin (reading):

liúyàng

Definitions:

• retention sample
• (of a manufacturer, esp. of food or drugs) to retain a sample of a batch of a product (abbr. for 保留樣品／保留样品 (bǎoliúyàngpǐn))

Characters:

• 留 - to stay, to remain; to preserve, to keep; to leave a message; 
• 样 - form, pattern, shape, style

Traditional characters:

• 留 - to stay, to remain; to preserve, to keep; to leave a message; 
• 樣 - form, pattern, shape, style