这份表格是一个多部分文件，需要分别填写。

This form is a ___multipart document that needs to be filled out separately.

这个项目需要多方参与才能完成。

This project requires a ___multipart collaboration to complete.

这个大型视频文件被分成五个部分以便更快上传。

The large video file was split into five ___multipart segments for faster uploading.