- 相关词组
- arch structure拱形结构，拱结构;
- posterior arch后弓
- arch door拱门;
- arch bridge拱桥;
- zygomatic arch颧弓;
- arch falsework楔形砖;
- peripheral joint of arch dam拱坝周边缝
- visceral arch鳃弓
- arch buttress拱壁;
- parallel curve rib arch bridge平行曲线肋拱桥
- palatomaxillary arch腭上颌弓
- arch of triumph凯旋门;
- arch abutment拱座；拱台；圆拱墩柱
- arch enemy死敌;
- arch centre拱架;
- arch dam拱坝;
- arch bar（车轴的）拱板，拱杆，弓杆;
- palatopharyngeal arch腭咽弓
- arch without articulation无铰拱;
- arch gravity dam拱形重力坝;
- 今日热词
- 热门搜索
- either or adv.不是…就是…，…或…，要么…要么…;
- where did you go 你去哪儿了;
- myself pron. 我自己，亲自;
- so that 以便;因此;
- prison n.监狱，看守所;
- winter solstice 冬至;
- pork n.猪肉;〈美俚〉支持政党上台所分到的好处，政治分肥;〈古〉猪;
- tap into 利用，开发;
- north n.北方;北部;（美国南北战争时与南方作战的）北部各州;北方发达国家（尤指欧洲和北美各国）;adj.北方的;北部的;朝北的;（风，光线）来自北方的;
- remote control 遥控器；遥控;
- give it a go 试一试
- circulate v.传递;传阅;流传;循环;传播;往来应酬;
