- 相关词组
- arch of triumph凯旋门;
- arch structure拱形结构，拱结构;
- arch key拱顶石;
- arch truss拱形桁架;
- arch thrust拱推力;拱应力;
- arch covering拱形屋面;
- arch stone拱石;
- arch camber起拱;拱势;
- arch door拱门;
- arch apex拱顶石;
- arch bar（车轴的）拱板，拱杆，弓杆;
- arch falsework楔形砖;
- arch abutment拱端，拱台;
- arch gravity dam拱形重力坝;
- arch dam拱坝;
- arch block拱块;
- arch without articulation无铰拱;
- arch center拱架;
- arch bridge拱桥;
- arch buttress拱壁;
- 今日热词
- 热门搜索
- bath n.浴缸;洗澡;游泳池;澡堂;容器;v.（给小孩）洗澡;
- webcam n.网络摄像机，网络摄影机;网络摄影，画面可以通过互联网同步播出;
- river n.河，江;溪，巨流;
- negotiate vi.谈判，协商，交涉;vt.谈判达成;成功越过;议价出售;
- kindergarten n.学前班;幼儿园;
- impression n.印象;影响;印象画;感觉;滑稽模仿;外观;压痕;重印本;
- soap n.肥皂;肥皂剧;[化]皂，脂肪酸盐;vt.抹肥皂;用肥皂擦洗;<俚>拍…的马屁，吹捧（某人）;
- rivalry n.竞争，对抗，对立;竞争行为，对抗行为;
- telescope n.望远镜;v.叠缩;精简;
- darken vt.& vi.（使）变暗;（使）模糊;
- 伦琴 Roentgen;roentgen ;
- dozen num. 一打，十二个;十几个;许多;
