红酒及洋酒暴露在氧气环境下极易变质，在瓶内制造低氧低压的类真空环境可使酒保鲜较长时间。

Wine rapidly deteriorates in the presence of oxygen. Creating a vacuum above the wine dramatically reduces the oxygen levels in the bottle allowing the wine stay fresh for longer.

youdao

红酒及洋酒暴露在氧气环境下极易变质，在瓶内制造低氧低压的类真空环境可使酒保鲜较长时间。

Wine rapidly deteriorates in the presence of oxygen. Creating a vacuum above the wine dramatically reduces the oxygen levels in the bottle allowing the wine stay fresh for longer.

youdao