- arch truss拱形桁架;
- arch structure拱形结构，拱结构;
- arch stone拱石;
- arch of triumph凯旋门;
- arch key拱顶石;
- arch gravity dam拱形重力坝;
- arch falsework楔形砖;
- arch covering拱形屋面;
- arch center拱架;
- arch bridge拱桥;
- arch bar（车轴的）拱板，拱杆，弓杆;
- arch apex拱顶石;
- it goes without saying that不言而喻，理所当然;
- it goes without saying不用说;不待说;
- ownership without usufruct虚有权;
- ownership without use虚有权;
- go without sayingv.理所当然，不用说，不言而喻;
- no sweet without sweatpr.苦尽甘来;
- without the help of没有帮助
- without rhyme or reasonadv.莫名其妙，毫无道理;没头没脑;没来由;
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