拱桥的英文：
arch bridge
hump-backed bridge
The arch bridge stands like a rainbow over the river
汴河上的拱桥如一道彩虹
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。
n. 桥，鼻梁，琴马，桥梁，电桥，下隔板，桥牌
v. 架桥于，用桥连结，跨越，横贯，
removable bridge
可移动齿桥
immediate bridge
立即齿桥
They are engineering a bridge.
他们正在建造一座桥。
n. 驼峰；驼背；圆形隆起物
v. 扛，背；（使）隆起，弓起；苦干
Camels rebuild fat stores in their hump.
骆驼在自己的驼峰内重新贮备了脂肪。
I humped the heavy case upstairs.
我把那个沉重的箱子背到楼上。
His duties keep him pretty much on the hump.
他的工作任务使她付出很大的努力。