spiral

/ˈspaɪrəl/ (bre, ipa) · /ˈspaɪrəl/ (ame, ipa) · /ˈspī-rəl/ (ame, mw) · /ˈspaɪə.rəl/ (bre, ipa) · /ˈspaɪr.əl/ (ame, ipa)

spiral — 名詞

  • spiralsingular
  • spiralsplural

1. a line or object that curves in a continuous loop, moving gradually outward or i

1.名詞B1
釋義

螺旋形

繞著中心點逐漸遠離或靠近的曲線或形狀

a line or object that curves in a continuous loop, moving gradually outward or inward from a center as it circles.

例句

Eleni drew a beautiful spiral on the cover of her maths notebook.

Eleni 在她數學筆記本的封面畫了一個漂亮的螺旋形。

a + spiral

The staircase inside the old lighthouse was a narrow spiral made of stone.

那座古老燈塔內的樓梯是狹窄的石造螺旋梯。

spiral as a physical object

同義詞
  • coil

    suggests a series of rings sitting one above the other, like a spring, rather than a curve that expands outward from a center

  • helix

    a three-dimensional spiral shape, like DNA or a corkscrew; more technical

  • whorl

    a single turn in a spiral pattern, often used for shells or fingerprints

反義詞

文法句型

a + spiral + of + noun

spiral + noun (attributive)

用法筆記

Often used as an attributive noun (e.g., spiral staircase, spiral pattern) to describe something that has this shape.

常見錯誤

The snail has a spiral curve outer shell.
The snail has a spiral shell.
💡'spiral' already describes the curving shape, so 'curve' is redundant.

2. a process in which prices, costs, or conditions keep getting worse, with each ba

2.名詞B2
釋義

惡性循環

情況越變越糟、難以控制的連續過程

a process in which prices, costs, or conditions keep getting worse, with each bad event making the next one harder to stop or control.

例句

The country's economy entered a downward spiral after the banks collapsed.

銀行倒閉後,該國經濟陷入向下螺旋。

downward spiral

Mayumi warned that rising household debt would create a spiral that was very hard to break.

Mayumi 警告說,家庭債務不斷增加會造成難以打破的惡性循環。

create + a + spiral

同義詞
  • vicious circle

    a closely related idea where one problem causes another, which then makes the first problem worse; less directional than 'spiral'

  • downward trend

    a more neutral and gradual decline, without the sense of accelerating speed

反義詞
  • upturn

    a positive change, moving toward improvement rather than decline

文法句型

a + spiral + of + noun

into/out of + a + spiral

用法筆記

Frequently used with 'downward' or 'inflationary' to specify direction. 'Vicious spiral' emphasises that each turn makes the situation worse.

常見錯誤

The economy is in a spiral down.
The economy is in a downward spiral.
💡The adjective 'downward' comes before 'spiral', not after it.

3. a throw or kick of the ball, used in American football, that sends it rotating a

3.名詞C1
釋義

旋轉傳球

美式足球中讓球沿長軸旋轉的投擲或踢球

a throw or kick of the ball, used in American football, that sends it rotating along its longest line so it stays stable while flying.

例句

Vikram threw a perfect spiral that sailed sixty metres down the field.

Vikram 擲出一記完美的旋轉傳球,飛越了六十碼遠。

throw + a + perfect spiral

The quarterback's spiral cut cleanly through the wind and rain.

四分衛的旋轉傳球俐落地穿過風雨。

文法句型

throw/catch + a + spiral

用法筆記

This sense is specific to American football. In other contexts, a spiral throw or kick is simply a pass or punt that rotates on its axis for stability.

spiral — 動詞

spiral — 形容詞