flat

音标发音

• 英式音标 [flæt]
• 美式音标 [flæt]
• 英式发音
• 美式发音

基本解释

• adj. 平的；单调的；不景气的；干脆的；平坦的；扁平的；浅的
• adv. （尤指贴着另一表面）平直地；断然地；水平地；直接地，完全地
• n. 平地；公寓；平面
• vt. 使变平；[音乐]使（音调）下降，尤指降半音
• vi. 逐渐变平；[音乐]以降调唱（或奏）
• n. （法）弗拉特（人名）；（英）弗莱特（人名）

词源解说

• 14世纪初期进入英语，直接源自古日耳曼语的flaataz，意为平的，平面。

词根记忆

• 加了盐(salt)的调料再也不单调(flat)了

同根派生

• adv性质的同根词

  flatly：断然地；平平地；直截了当地。

• n性质的同根词

  flatness：平坦；单调；断然的态度。

  flatmate：合住一套公寓的人；合租者。

• vi性质的同根词

  flatten：变平；变单调。

• vt性质的同根词

  flatten：击败，摧毁；使……平坦。

• flat相关词

用法辨析

adj. (形容词)

• flat的基本意思是“平的”“平坦的”,指表面没有显著的弯曲、突出、倾斜等。也可用于借喻,表示“平淡无味的”“无聊的”“无精打采的”,还可指“漏气的,气不足的”“扁平的,浅的”等,在句中可用作定语或表语。
• flat也可指“(价格)固定的,(收费)统一的”,此时只用作定语。

n. (名词)

• flat用作名词时,指在一幢大楼内某一层上供居住的“一套房间”“公寓套房”,多用在英式英语中,在美式英语中多用apartment。

adv. (副词)

• flat用作副词时意思是“平直地”,引申可表示为“直截了当地”“断然地”。
• flat的另一个意思是“正好”“恰恰”“精确”,在句中多用作状语。

• flat使用方法
• flat详细辨析

英汉例句

用作形容词 (adj.)

用作定语: ～+ n.

• We don't have flat land in this region
  我们这个地区没有平地。

用作表语: S+be+～

• Modern findings do not bear out the old belief that the earth is flat.
  现代的研究结果否定了地球是个平面的古老信念。

S+be+～+ prep .-phrase

• Life seemed flat to him.
  生活在他看来索然无味。

用作宾语补足语: S+V+O+～

• The earthquake laid the city flat.
  地震将这个城市夷为平地。

用作名词 (n.)

• I can't afford to buy the flat.
  我买不起这套房子。

用作副词 (adv.)

用作状语

• He turned a person of suggestion down flat.
  他断然拒绝那个人的建议。

• flat更多例句

词组短语

用作形容词 (adj.)

动词+～

• beat sth flat 把某物锤平
• feel flat on the audience 没引起听众的兴趣

～+介词

• flat against the wall 平整地挂在墙上
• flat on one 's back 卧躺
• flat on the ground 平摊在地上

用作名词 (n.)

• buy a flat 买一套房间
• have a flat 有一套房间

• flat更多词组

英英字典

剑桥英英字典

• (LEVEL) level and smooth, with no curved, high, or hollow parts
• (NOT HIGH) level but having little or no height
• (NOT ACTIVE) not interesting, or without emotion or excitement
• (BATTERY) with no electrical power left in it
• (DRINK) If a drink is flat, it has stopped being fizzy (= with bubbles).
• (COMPLETE) complete or certain, and not likely to change
• (WITHOUT AIR) If something such as a tyre or ball is flat, it does not contain enough air.
• (FIXED) (especially of an amount of money) fixed and not likely to change
• (PROFITS) If profits, sales, etc. are flat, they are not growing or increasing.
• (HOME) a set of rooms for living in that are part of a larger building and are usually all on one floor
• (LEVEL GROUND) an area of low, level ground, often near water
• (TYRE) a tyre that does not have any or enough air in it
• (SHOES) women's shoes without high heels
• (MUSIC) (a symbol for) a note that is a semitone lower than a stated note
• (MUSIC) (in music) lower than a particular note or the correct note
• (LEVEL) in a level position, often against another surface
• (NOT HIGH) into a flat shape without height
• (COMPLETELY) completely or to the greatest degree possible

柯林斯英英字典

• Something that is flat is level, smooth, or even, rather than sloping, curved, or uneven.
• Flat means horizontal and not upright.
• If you fall flat on your face, you fall over.
• A flat object is not very tall or deep in relation to its length and width.
• Flat land is level, with no high hills or other raised parts.
• Flat shoes have no heels or very low heels.
• Flats are flat shoes.
• A flat tyre, ball, or balloon does not have enough air in it.
• You can refer to one of the broad flat surfaces of an object as the flat of that object.
• A flat is a tyre that does not have enough air in it.
• A low flat area of uncultivated land, especially an area where the ground is soft and wet, can be referred to as flats or a flat.
• If you have flat feet, the arches of your feet are too low.
• A drink that is flat has lost its fizz.
• A flat battery has lost some or all of its electrical charge.
• If you say that something happened, for example, in ten seconds flat or ten minutes flat, you are emphasizing that it happened surprisingly quickly and only took ten seconds or ten minutes.
• A flat rate, price, or percentage is one that is fixed and which applies in every situation.
• If trade or business is flat, it is slow and inactive, rather than busy and improving or increasing.
• Flat is used after a letter representing a musical note to show that the note should be played or sung half a tone lower than the note which otherwise matches that letter. Flat is often represented by the symbolafter the letter.
• If someone sings flat or if a musical instrument is flat, their singing or the instrument is slightly lower in pitch than it should be.
• Flat is also an adjective.
• A flat denial or refusal is definite and firm, and is unlikely to be changed.
• flatly
• If you describe something as flat, you mean that it is dull and not exciting or interesting.
• If an event or attempt falls flat or falls flat on its face, it is unsuccessful.
• If you do something flat out, you do it as fast or as hard as you can.
• You use flat out to emphasize that something is completely the case.
• A flat is a set of rooms for living in, usually on one floor and part of a larger building. A flat usually includes a kitchen and bathroom.

• flat剑桥字典
• flat柯林斯字典

专业释义

电子、通信与自动控制技术

• 平的
• (放大器等的频率响应)均匀的

经济学

• 无息的
• 无力的

能源科学技术

• 次级金刚石

土木建筑工程

• 平面
• 公寓

交通运输工程

• 将(帆)收近龙骨线，把(纵帆)的后下角尽量向船中央拉(与in连用)[亦作flatten in]
• (帆)纵倾以适应风向的；绷紧的
• 漏气轮胎
• 舱内甲板

农业科学

• (栽培秧苗的)浅箱；浅苗床

地球科学

• 平原
• 低洼沼泽地
• 断坪

物理学

• 降音
• 低半音

艺术学

• 以降调唱(或奏)
• (舞台上用的)背景屏；(平面)景片
• 降号

数学

• 平坦

  Settingφto be the Albanese map （referred to Definition 2.1.1） from Mn to a flat n-torus Tn, we obtain the following result.
  令φ是从Mn到n维平坦环面Tn的Albanese映射（见定义2.1.1）,则我们可获得如下结果。

  体育

• (紧挨着前卫线内外侧的)无阻碍区

语言学

• 平舌的(指元音，如can中的[ə])；浊音的，弱辅音的

摄影

• 无深浅反差的；(灯光安排)轮廓不清的，无明暗的

食品科学技术

• 平坦的

计算机科学技术

• 平
• 压板

生物学

• 平直的
• 扁平的
• 直率的