这些零件需要仔细组装。

These ___parts need careful assembly.

这台机器由许多小零件组成。

This machine is made up of many small ___parts.

这个国家的南部地区以温暖的气候闻名。

The southern ___parts of the country are famous for their warm climate.

每个人都应该在团队项目中尽自己的一份力。

Everyone should play their ___part in the team project.