延误的部份原因是道路施工.The delay is partly explicable by the road works.延误的原因是多方面的.The reasons for the delay were manifold.根据文章, 787项目被延误的原因是_____.According to the passage, the 787 programme is delayed probably because _____....

“延误的”的英语可以翻译为：[法] overdue ...