Word · Frequency #8897
foil
箔；铝箔
核心释义
Very thin sheet of metal, especially aluminum, used for wrapping or covering things.
- 1.
非常薄的金属片
A very thin sheet of metal.
- 2.
即将成功时的失败；挫败；沮丧；流产。
Failure when on the point of attainment; defeat; frustration; miscarriage.
- 3.
动物的足迹。
The track of an animal.
- 4.
窗饰等中的小弧形。
A small arc in the tracery of a window, etc.
- 5.
非常薄的塑料片
A very thin sheet of plastic.
- 6.
多项选择题中提供的错误选项之一。
One of the incorrect answers presented in a multiple-choice test.
- 7.
用于包装食物的薄铝箔(或以前的锡箔)
Thin aluminium/aluminum (or, formerly, tin) used for wrapping food.
- 8.
放在宝石和镶座之间的薄金属层,使其看起来更亮
A thin layer of metal put between a jewel and its setting to make it seem more brilliant.
- 9.
在文学、戏剧等中,帮助强调主角特征的角色,通常作为对手或反派,但也可以是主角的助手
In literature, theatre/theater, etc., a character who helps emphasize the traits of the main character and who usually acts as an opponent or antagonist, but can also serve as the sidekick of the protagonist.
- 10.
通过对比来强调某物特征的任何事物
Anything that acts by contrast to emphasise the characteristics of something.
- 11.
一种尖端钝化(或包箔)的极薄剑。
A very thin sword with a blunted (or foiled) tip.
- 12.
用于投影演示的薄透明塑料片。
A thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency.
- 13.
具有光泽表面的高级交易卡。
A premium trading card with a glossy finish.
- 14.
风格化的花或叶图案。
A stylized flower or leaf.
陪衬；衬托物；衬托角色；花剑；钝头剑；塑料薄膜；投影片；投影胶片；干扰项；错误选项
用法In use
She covered the dish with aluminum foil before putting it in the oven.
用法提示：foil作名词，表示金属薄片，这里指铝箔。
In the play, the witty servant acts as a foil to the serious master.
用法提示：foil作名词，表示衬托物，通过对比突出另一方。
Her simple dress made a perfect foil for her sparkling jewelry.
用法提示：foil作名词，表示衬托物，强调对比作用。
wrap sth in foil
此义指包装用的薄金属片或薄塑料片，常与 in 连用。
She wrapped the sandwich in foil.
她用箔纸把三明治包了起来。
a foil to/for sb/sth
表示“陪衬、衬托物”时，常用 a foil to/for sb/sth；介词 to 或 for 均可。
相关词与表达Connections
搭配Collocations
- aluminum foil
- 铝箔
- She wrapped the sandwich in aluminum foil to keep it fresh.她用铝箔把三明治包起来保鲜。
- foil packet
- 铝箔包；锡纸包
- You can cook vegetables in a foil packet on the grill.你可以把蔬菜放在铝箔包里烤。
- a foil to
- 陪衬；衬托物
- The cowardly character is a foil to the brave hero.这个胆小的角色是那位勇敢英雄的陪衬。
- dramatic foil
- 戏剧中的陪衬角色
- The playwright uses the servant as a dramatic foil.剧作家把仆人用作戏剧中的陪衬角色。
- fencing foil
- 花剑
学习提示Learner notes
记忆技巧Memory Tip
foil 可联想成薄薄的锡纸：厨房里用铝箔包食物；文学里 foil 是陪衬角色，像锡纸衬托食物一样衬托主角。
语境与语域Context & Register
语域：neutral 常见场景：kitchen / food packaging、baking、crafting 作名词时，foil 通常指铝箔等金属薄片，多用于厨房（包裹或烤制食物）、食品包装和手工艺等日常场景；这类用法在一般书面语和口语中都很自然，属于中性词汇。
语法说明Grammar Note
表示‘陪衬’时常用a foil to/for结构
发音与拼写Pronunciation & Spelling
boil、coil、soil、toil、spoil、oil 都与 foil 押韵，重读音节的元音和尾音均为 /ɔɪl/。注意拼写相似的 file /faɪl/（文件）与 foil 发音不同，不要混淆。
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.