freshment-keeping

英 [f'reʃməntk'iːpɪŋ] 美 [f'reʃməntk'iːpɪŋ]

• 保鲜

freshment-keeping的用法和样例：

例句

1. Vacuumizing was often used in rice packaging as a fresh keeping technique.
   摘要真空包装是大米销售包装常用的一种保鲜技术。