preservative
US /prɪˈzɝː.və.t̬ɪv/
UK /prɪˈzɝː.və.t̬ɪv/
1.
防腐剂, 保鲜剂
a substance used to preserve foodstuffs, wood, or other materials.
:
•
Many processed foods contain artificial preservatives.
许多加工食品含有人造防腐剂。
•
This wood preservative protects against rot and insects.
这种木材防腐剂可以防止腐烂和昆虫。