不可数名词：

保存，贮藏，保护，保存的状况

词形变化

形容词preservable

名称preserver

时态preserved，preserving，preserves

英语解释

a process that saves organic substances from decay

the activity of protecting something from loss or danger

the condition of being (well or ill) preserved

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