under-wayBNC¹⁷³⁹⁹⁵⁺² 基本例句 进行中；航行中；在行进 Retrospective investigations of hospital records are under-way to determine the progress the outbreak took in its initial stages and to document the spread of the epidemic in the first few months. 正在对医院档案进行回顾性调查，以便确定这次疫情在其最初阶段发展的情况并记录最初数月中疫情的传播情况。 who