flask
/flɑːsk/noun
1- a container or bottle, in particular容器, 瓶子, 尤指：
1.1
- a narrow-necked glass container, typically conical or spherical, used in a laboratory to hold reagents or samples（尤指实验室里装试剂或标本的圆锥形或球形）细颈烧瓶。
1.2
- a narrow-necked bulbous glass container, typically with a covering of wickerwork, for storing wine or oil（尤指有柳条编织套的藏酒或油用的）细颈球形玻璃容器。
1.3
- a small glass bottle for perfume香水瓶。
1.4
- Brit. a vacuum flask〈英〉保温瓶, 热水瓶。
1.5
- a hip flask可放在身后裤袋里的酒瓶。
1.6
- （亦作nuclear flask）an extremely strong lead-lined container for transporting or storing radioactive nuclear waste（运输或储存放射性核废料的）防泄漏铅胆容器。
1.7
- the contents of any of these containers瓶装物：
a flask of coffee.
一瓶咖啡。
1.8
- historical short for POWDER FLASK.〈史〉POWDER FLASK的简称。
词源
Middle English （in the sense 'cask'）： from medieval Latin flasca. From the mid 16th cent. the word denoted a case of horn, leather, or metal for carrying gunpowder. The sense 'glass container' （late 17th cent.） was influenced by Italian fiasco, from medieval Latin flasco. Compare with FLAGON.