露营地的条件相当原始。

The conditions at the campsite were rather ___primitive.

学生们无论如何都不会喜欢他们原始的饭菜，即使价格低廉。

Students will not appreciate their ___primitive meals at any cost, even a low one.

他的工具很原始，但它们完成了工作。

His tools were ___primitive, but they got the job done.