preservations

英 [prezə'veɪʃnz] 美 [prezə'veɪʃnz]

• 保藏技术

英英释义

名词 preservation:

1. the activity of protecting something from loss or danger

2. the condition of being (well or ill) preserved

3. a process that saves organic substances from decay

4. an occurrence of improvement by virtue of preventing loss or injury or other change