adj.初级的，基本的，基础的，未充分发展的，原始的

原形：rudimentary比较级：more rudimentary最高级：most rudimentary

Rudimentary skills are essential for survival in the wilderness.
原始技能对于野外生存至关重要。
The child's understanding of mathematics is quite rudimentary at this stage.
这个孩子的数学理解还相当基础。
Her knowledge of computer programming is rudimentary, so she needs more training.
她的计算机编程知识非常基础，需要进一步学习。
A rudimentary education is better than none at all.
哪怕是最基础的教育也比没有强。
The creature's instinctual responses were rudimentary, reflecting its primitive nature.
这种生物的本能反应相当原始，体现了它的原始状态。
The company's security system is rudimentary and can be easily hacked.
这家公司的安全系统非常初级，很容易被黑客入侵。
The rudimentary tools they used were impressive given the time period.
考虑到那个时代，他们使用的简单工具令人印象深刻。
His drawing skills are rudimentary, but he shows great potential.
他的绘画技巧虽然基础，但很有潜力。
The rudimentary language they developed allowed them to communicate effectively.
他们发展出的原始语言使他们能有效交流。
In the absence of proper infrastructure, their living conditions remained rudimentary.
由于缺乏基础设施，他们的生活条件依然十分简陋。