十七孔桥的英文：
Seventeen-Arch Bridge
adj. 十七岁的，十七（个）的
n. 十七（个）
num. 十七
The class will not be over until seventeen.
这堂课要到下午五点才能结束。
They are seventeen imperative sentences.
它们是十七个祈使句。
There were seventeen of us at the meeting.
会上一共有我们中的17个人。
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。