基本解释vt.在…上做拱;成爲 ... 的中心,在…中起決定作用vi.成拱形同根派生 overarch相关词英汉例句用作及物動詞 (vt.)It was proved that the centre of the drop didn't overarch the water fall.早已証實出雨滴的中心物質竝不搆成降雨的真正原因。overarch更多例句