名詞 arch:

1. a curved shape in the vertical plane that spans an opening
2. a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
3. a passageway under a curved masonry construction
   同義詞：archway
4. (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it

動(dòng)詞 arch:

1. form an arch or curve
   同義詞：curve, arc

形容詞 arch:

1. (used of behavior or attitude) characteristic of those who treat others with condescension
   同義詞：condescending, patronizing, patronising
2. expert in skulduggery

1. Have you been to the Triumphal Arch?
   你去過(guò)凱旋門嗎？
2. The arch has a span of 60 metres.
   那個(gè)拱的跨度為60米。
3. The cat arched its back when it saw the dog.
   那貓看見狗時(shí)就拱起了背。
4. The bridge has three arches.
   這座橋有三座拱洞。
5. The cat arched its back in anger.
   那只貓氣得拱起了腰。

arch

n.（名詞）
A structure, especially one of masonry, forming the curved, pointed, or flat upper edge of an open space and supporting the weight above it, as in a bridge or doorway.
拱形結(jié)構(gòu)：一種石造建筑結(jié)構(gòu)，構(gòu)成開放空間的彎曲的、有尖頂?shù)幕蚱教沟纳线吘?，支撐其上重量，如在橋或門上的
A structure, such as a freestanding monument, shaped like an inverted U.
拱：一種結(jié)構(gòu)，如獨(dú)撐的紀(jì)念碑，形如倒置的U
A curve with the ends down and the middle up:
拱形線：兩端在下中間在上的曲線：
例句：
the arch of a raised eyebrow.
呈拱形的揚(yáng)起的眉毛

Anatomy An organ or structure having a curved or bowlike appearance, especially either of two arched sections of the bony structure of the foot.
【解剖學(xué)】 足弓，齒弓：具有彎曲的或弓狀外形的器官或結(jié)構(gòu)，尤指腳的骨架結(jié)構(gòu)的兩個(gè)弓形部分之一
v.（動(dòng)詞）
arched,arch.ing,arch.es
v.tr.（及物動(dòng)詞）
To provide with an arch:
用拱狀物提供：
例句：
arch a passageway.
為走廊加拱頂

To cause to form an arch or similar curve.
使成拱形：使形成拱或類似曲線
To bend backward:
向后彎：
例句：
The dancers alternately arched and hunched their backs.
舞蹈者交替地將背向后彎和弓起

To span:
跨過(guò)：
例句：
.the rude bridge that arched the flood.(Ralph Waldo Emerson)
.架于洪水上的便橋.(拉爾夫·沃爾多·埃默森)

v.intr.（不及物動(dòng)詞）
To form an arch or archlike curve:
形成拱：形成拱或拱狀曲線：
例句：
The high fly ball arched toward the stands.
高高飛起的球成弧形飛向看臺(tái)

來(lái)源：
Middle English
中古英語(yǔ)
from Old French arche
源自 古法語(yǔ) arche
from Vulgar Latin *arca
源自 俗拉丁語(yǔ) *arca
from Latin arcus
源自 拉丁語(yǔ) arcus

arch
arch 2

adj.（形容詞）
Chief; principal:
主要的；首要的：
例句：
their arch foe.
他們主要的對(duì)手

Mischievous; roguish:
調(diào)皮的；嬉戲的：
例句：
an arch glance.
調(diào)皮的一瞥

來(lái)源：
From arch-
源自 arch-

【引伸】
arch.ly
adv.（副詞）
arch.ness
n.（名詞）