flask

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
flask 指一种细颈瓶,常用于化学实验或携带液体,如烧瓶或小水瓶。

用法要点

句型搭配

flask 通常作为可数名词,用于描述具体容器,常见于“a flask of”结构表示内容物。

• a flask of water
• two flasks of chemicals
• the flask on the table

介词用法

与 flask 搭配的介词包括 in(在瓶内)、with(带有瓶子)、from(从瓶子中),用于描述位置或方式。

• liquid in the flask
• experiment with a flask
• pour from the flask

语域说明

flask 在学术和科学语境中常见,指实验室烧瓶;在日常口语中,可指小水瓶或酒瓶,较正式。

• Erlenmeyer flask in chemistry
• hip flask for alcohol
• travel flask for tea

基础例句

I always carry a small flask of water when I go hiking.

我徒步时总会带一小瓶水。

He poured some tea from his flask into a cup.

他从水瓶里倒了些茶到杯子里。

Can you pass me that flask on the kitchen counter?

你能把厨房台子上的那个瓶子递给我吗?

高级例句

In the laboratory, we used a conical flask to mix the chemical solutions.

在实验室里,我们用锥形瓶混合化学溶液。

The research protocol requires sterilizing the flask before each experiment.

研究规程要求每次实验前对烧瓶进行灭菌。

For field sampling, portable flasks are essential to preserve liquid samples.

在野外采样中,便携式烧瓶对于保存液体样本至关重要。

高频搭配

verb

fill a flaskheat the flaskclean the flaskuse a flaskcarry a flask

adjective

glass flaskplastic flaskempty flaskscientific flaskportable flask

noun

water flaskchemistry flaskflask capflask neckflask holder

adverb

carefully handle the flaskquickly pour from the flasksecurely close the flask

preposition

in the flaskwith a flaskfrom the flaskon the flask

phrase

a flask of whiskeyflask and beaker setthermos flask for hot drinks

常见错误

❌ 错误:I need a flask to drink coffee.
✓ 正确:I need a thermos or mug to drink coffee.

flask 通常指细颈瓶,不适合直接饮用咖啡;应用 thermos(保温瓶)或 mug(马克杯)。

❌ 错误:She bought a flask of milk from the supermarket.
✓ 正确:She bought a bottle or carton of milk from the supermarket.

flask 不常用于商业包装的牛奶;超市牛奶一般用 bottle(瓶)或 carton(纸盒)。

近义词辨析

bottle

bottle 泛指各种瓶子,形状多样,用途广泛;flask 特指细颈瓶,多用于科学或携带液体,更专业。

Use a bottle for soda, but a flask for laboratory experiments.

vial

vial 是小玻璃瓶,常用于药品或样本,容量小;flask 通常较大,用于实验或盛装较多液体。

The vaccine is stored in a vial, while the reagent is in a flask.