flask

• 名词，指用于盛装液体的容器，通常由玻璃或金属制成。既可以是实验室用的烧瓶，也可以是便携式水壶或酒壶。

A noun referring to a container, typically made of glass or metal, used for holding liquids. It can be a laboratory vessel or a portable bottle for carrying drinks.

1. Container for liquidsB1formal

   A small, narrow-necked container, often made of glass or metal, used for storing liquids.

   瓶子

   • He poured water from a glass flask into a beaker.
   • The chemist used a flask to mix the chemicals.
   • She carried a small flask of whiskey in her pocket.

   同义词bottlecanteenthermosvial

2. Vacuum flaskB1informal

   A container designed to keep liquids hot or cold for a long time.

   保温瓶

   • I brought a flask of hot coffee for the hike.
   • She filled her flask with cold water before the trip.
   • The vacuum flask kept the soup warm for hours.

   同义词dewar flaskthermosthermos bottlethermos flaskvacuum bottle