Word · CEFR B1 · Frequency #1448
flat
平的;平坦的;无变化的
Level and smooth, with no changes in height; also without variation in level, amount, or sound.
- 1.
Having no variations in height.
没有高度变化。
- 2.
Without variation in level, quantity, value, tone etc.
水平、数量、价值、音调等无变化。
- 3.
Lacking liveliness or action; depressed; uninteresting; dull and boring.
缺乏活力或行动;压抑;无趣;枯燥乏味。
- 4.
Lowered by one semitone.
降低半音。
- 5.
Of a note or voice, lower in pitch than it should be.
音符或声音的音高偏低。
- 6.
Absolute; downright; peremptory.
绝对的;彻底的;不容置疑的。
- 7.
Deflated, especially because of a puncture.
泄气的,尤指因刺破而瘪的。
- 8.
With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
二氧化碳散逸,饮料不再起泡或含气泡。
- 9.
Lacking acidity without being sweet.
缺乏酸味但不甜。
- 10.
Unable to emit power; dead.
无法供电;没电的。
- 11.
Without spin; spinless.
无旋转的;不旋转的。
- 12.
Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
没有屈折词尾或标志的;如名词作形容词、形容词作副词而不加后缀,或不定式不带to。
- 13.
Having a head at a very obtuse angle to the shaft.
头部与柄部成很大钝角。
- 14.
Flattening at the ends.
末端变平。
- 15.
Exact.
精确的;准确的。
- 16.
Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
使得张量积保持正合序列的。见维基百科“平坦模”。
- 17.
Such that its target, regarded as a module over its source, is flat (as above).
其目标视为其源上的模时是平坦的(如上)。
- 18.
Such that the induced map on every stalk is flat (as a map of rings).
在每个茎上诱导的映射是平坦的(作为环的映射)。
- 19.
Having little froth and little milk.
泡沫少、牛奶少的。
平淡的;乏味的;无精打采的;瘪的;没气的;走了气的;没电的;电量耗尽的;断然的;绝对的;彻底的;降半音的;音偏低的
In use
The road is flat and easy to ride a bike on.
After the earthquake, everything was flat.
This pancake is flatter than the one I made yesterday.
flat + noun
flat作定语修饰名词。
We need a flat surface to work on.
我们需要一个平坦的表面来工作。
subject + be + flat
flat作表语。
The terrain here is flat.
这里的地形是平坦的。
too/flat enough
flat可用 too 或 enough 修饰。
This road is too flat for cycling practice.
这条路太平坦了,不适合骑自行车练习。
Connections
Collocations
- flat surface
- 平坦的表面
- You need a flat surface to cut the vegetables.你需要一个平坦的表面来切菜。
- flat tire
- 瘪胎;没气的轮胎
- We had to stop because we got a flat tire.因为轮胎瘪了,我们不得不停车。
- flat refusal
- 断然拒绝
- She gave a flat refusal to our request.她断然拒绝了我们的请求。
- flat battery
- 没电的电池
- The car won't start because the battery is flat.汽车发动不起来,因为电池没电了。
- flat rate
- 统一费率;固定价格
- The courier charges a flat rate regardless of weight.快递公司不论重量收取统一费率。
- flat shoes
Learner notes
Memory Tip
联想一个被压扁的纸箱:表面 flat(平的),里面的气球 flat(瘪的),这场景也 flat(无趣)。三个意思都拴在这个扁平的画面上。
Context & Register
语域:neutral 常见场景:日常描述物体表面、描述地面或地形、建筑与工程说明 这里选用“平的、平坦的”这一义项。flat 在描述表面、地面或地形时属于中性用语,多用于日常对话和书面描述,语气自然,不带明显正式或随意色彩。
Pronunciation & Spelling
这些词均与 flat (/flæt/) 押 /æt/ 韵,拼写都以 -at 结尾。注意不要与 late、plate、mate 等发 /eɪt/ 的词混淆。
High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 4,建议结合例句记忆,而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.