弧形的英文：
arch

参考例句：

Arc Rotate
弧形旋转;旋转视图;圆形旋转

Arc-shaped Mountain Ranges, including the Himalayas and Tainwan Mountains.
弧形山脉:主要是喜马拉雅山、台湾山地等。

Where would you like the seats? Stalls, grand circle, or circle?
你要什么座？厅座，正厅弧形座，还是楼座？

The rim, spoke and the brake hub are cast into a whole; the spoke takes a shape of an arc on the whole.
所述的轮辋、辐条及刹车毂铸造成一个整体，所述辐条整体呈弧形。

Arch pointed-nose hardmetal burrs
硬质合金弧形尖头旋转锉

The beach swept around in an arc.
海滩呈弧形伸展开来。

He curved the piece of wood
他把这条木头弯成弧形。

The rainbow formed a beautiful arc in the sky.
虹在天上成美丽的弧形.。

The meteor arched across the sky.
流星呈弧形在空中划过。

His arm described an arc in the air.
他的手臂在空中划出一道弧形。

arch是什么意思：
n. 弓形（物），拱形（物）；拱门；足弓
adj. 淘气的；主要的
v. 弓着，拱起；成弓形

Arched: Forming an arch or a curve like that of an arch.
拱形结构的:形成拱或类似于拱的曲线。

A rainbow arched across the sky.
一道彩虹横跨天际。

Three arches sustain the bridge.
三个拱形礅支撑着那座桥。

This arch of friendship was built in 1983.
友谊拱形门建于1983年。

All the doors are arched with the special arch we see in moorish pictures
门户造成拱形，形状独特，跟摩尔风暴画片里所见的一样。