v.在…上方成拱形( overarch的过去式和过去分词 );
例句:
Trees overarched the road.
树木拱盖着道路.
The street is overarched by ginkgoes.
那条街道给拱形的银杏树遮盖着.
Grape vines overarched the garden path.
葡萄藤在花园小路上方形成了拱形.