1
a flask of + noun
表示一瓶的容量，常用于液体。
He drank a flask of water.
他喝了一瓶水。
细颈瓶；窄颈容器
先理解核心含义，再看它在真实句子里的用法。
细颈瓶；窄颈容器
a bottle or vessel with a narrow neck, used for storing or carrying liquids or other substances
He drank a flask of water.
他喝了一瓶水。
细颈金属或玻璃容器,用途多样；如金属片制用于装火药,锻铁制用于盛水银,玻璃制用于加热水等。
A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
窄颈瓶
bottle that has a narrow neck
用于隐秘携带少量烈酒的小容器；随身小酒壶。
A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.
一瓶(的容量)
the quantity a flask will hold
She filled her flask with hot coffee before heading out for the hike.
她在出发去远足前，把热水咖啡装满了自己的保温瓶。
The chemist carefully poured the solution into a glass flask.
化学家小心地将溶液倒入一个玻璃烧瓶中。
He packed two flasks of water for the long journey.
他为长途旅行打包了两瓶水。
表示一瓶的容量，常用于液体。
He drank a flask of water.
他喝了一瓶水。
常指携带扁平的小酒瓶。
He always carries a flask in his pocket.
他口袋里总带着一个小酒瓶。
fill 后接容器，with 后接所装物。
She filled the flask with tea.
她用茶把保温瓶装满。
Not this
I bought flask.
Use this
I bought a flask.
flask 是可数名词，单数形式前需要不定冠词 a 或 an。
Not this
Please flask the water.
Use this
Please put the water in a flask.
flask 是名词，不能用作动词。应使用短语 'put ... in a flask' 表示装瓶。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
锥形瓶
The chemist poured the solution into a conical flask.
化学家将溶液倒入锥形瓶。
一瓶酒
He carried a small flask of wine in his pocket.
他口袋里装着一小瓶酒。
扁酒壶
He sneaked a hip flask into the concert.
他偷偷把扁酒壶带进了音乐会。
空瓶
The flask was empty after the experiment.
实验后瓶子空了。
玻璃瓶
The liquid was stored in a glass flask.
液体储存在玻璃瓶中。
灌满瓶子
He filled the flask with water before the hike.
徒步前他给瓶子灌满了水。
这是福灵剂。一瓶幸运药水。
That's a flask of Felix Felicis.
那是一瓶福灵剂。
Use flask naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
flask记忆：字母s形似细长瓶颈，故意为窄颈瓶。
[object Object]
All listed words rhyme with 'flask' (pronounced /flæsk/). They share the ending 'ask' and are pronounced with /æsk/. Be careful: 'flash' looks similar but is pronounced /flæʃ/, so it does not rhyme.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.