providential/ˌprɔvɪˈdenʃl; ˌprɑvə`dɛnʃəl/ adj(fml 文) occurring just at the right time when needed 正合时宜的; 及时的 Their departure just before the floods was providential. 他们恰在发洪水之前离开, 走得真是时候.
牛津英汉双解词典