a structure, consisting of a curved top on two supports, that holds the weight of something above it

In many churches the side aisles are separated from the central aisle by a row of arches. 很多教堂中，侧廊与主廊之间都有一排拱门相隔。

Passing through the arch, you enter an open courtyard. 穿过拱门，你就到了天井中。

The vines were trained over an arch, providing shade as well as fruit. 葡萄藤整修成拱形，既能遮荫又能结果。

The temple's grand white arches rose conspicuously over the dirty decaying city. 寺院洁白雄伟的拱门十分显眼地矗立在肮脏破败的城市上方。

The abbey is known for its majestic arches, fine doorways and elegant windows. 这座修道院因为其威严的拱门、精美的门廊和雅致的窗户而闻名。

The town is dominated by the massive arches of a viaduct. 高架桥巨大的拱洞在这座小镇中十分显眼。

something that has the shape of an arch, often used for decoration

The boat floated through the arch of the trees towards the bridge. 小船穿过两岸的树木向小桥漂去。

the raised curve on the bottom of your foot

She has very high arches. 她足弓很高。

any organ or part of the body that is curved in shape

The premature loss of primary teeth causes shrinking of the dental arch. 乳牙提前掉落会引起牙弓萎缩。

to make the shape of an arch

Trees arch over the river. 两岸的树木在河面上交织成拱形。

Her eyebrows arched in contempt. 她蔑视地挑起双眉。

arch your back She watched the cat arch its back. 她看着猫弓起背。

Synonyms: bend (CURVE)curve

showing that you think it is amusing that you know more about something than someone else does

an arch tone of voice 调皮的口吻

most important

an archbishop 大主教

an archduke 大公

greater or especially worse than others of the same type

an arch-criminal 首犯

his arch-enemy 他的死敌

He's always been an arch-opponent of the project. 他一直是这个计划最强硬的反对者。