- 相关词组
- acute arch尖拱；锐拱
- arch key拱顶石;
- arch bridge拱桥;
- inflected arch仰拱;反弯拱
- arch stone拱石;
- arch center拱架;
- arch structure拱形结构，拱结构;
- arch truss拱形桁架;
- arch buttress拱壁;
- inferior dental arch下牙弓
- arch thrust拱推力;拱应力;
- arch falsework楔形砖;
- hypocotyl arch下胚轴拱
- ideal arch理想弓
- arch abutment拱座；拱台；圆拱墩柱
- hyperbolic arch双曲线拱
- arch without articulation无铰拱;
- arch door拱门;
- arch dam拱坝;
- arch bar（车轴的）拱板，拱杆，弓杆;
- 今日热词
- 热门搜索
- free adj. 自由的;免费的;免税的;空闲的;adv. 免费地;自由地，无拘束地;一帆风顺地;
- knee n.膝;（坐下时）大腿朝上的面;膝部;v.用膝盖顶;
- stick-up n.持枪抢劫;
- pleasure n.快乐，满足;休闲;乐事;荣幸;
- circle n.圆（圈）;环形物;一圈…;（相同兴趣、职业等的人形成的）圈子，界;楼厅包厢;v.盘旋;环行;转圈;在…上画圈;圈出;
- billion n.十亿;大量;
- kitchen n.厨房;厨师;
- modesty n.谦虚，谦逊;稳重;端庄;朴实，质朴;
- fireworks n.烟火;烟火( firework的名词复数 );烟花;烟火表演;烟花表演;
- milestone n.里程碑;划时代事件;
- loyalty n.忠诚，忠实;忠心;忠于…感情;
- obsidian n.黑曜石;黑曜岩
