arch bridge 拱形桥
arch dam 拱坝,拱形坝
aortic arch 主动脉弓;织脉弓
arch rib 拱肋
stone arch 石拱
vertebral arch 椎弓;椎体
arch support 足弓垫;护弓具;拱形支架
zygomatic arch 颧弓
triumphal arch n. 凯旋门
arch crown 拱顶
arch truss 拱形桁架
marble arch 大理石拱门(有名伦敦标志) round arch 半圆拱
pointed arch 尖拱;尖券
memorial arch 牌坊
circular arch 圆拱
arch over 拱悬于之上;把拱盖起来
pedicle of vertebral arch 椎弓根
arch axis 拱形轴
gothic arch 哥特式尖拱