flask

1. N-COUNT A flask is a bottle which you use for carrying drinks around with you. (可随身携带饮料的) 瓶子

He took out a metal flask from a canvas bag. 他从帆布袋里拿出了一个金属水瓶。

2. N-COUNT A flask of liquid is the flask and the liquid which it contains. 一瓶 (液体)

There are some sandwiches here and a flask of coffee. 这儿有一些三明治和一瓶咖啡。

3. N-COUNT A flask is a bottle or other container which is used in science laboratories and industry for holding liquids. 烧瓶; (试验或工业用) 容器

Flasks for the transport of spent fuel are extremely strong containers made of steel or steel and lead. 运送废燃料的容器极为坚固，是用钢或钢铅合金制成的。