rudimentary horn原始角
Rudimentary finger发育不全手指
rudimentary instinct天性
Rudimentary structure未成熟结构
rudimentary house百家好
rudimentary platform雏地台
rudimentary leg发育不全腿
rudimentary encephalocele脑膨出
ADJ（形容词） Rudimentary things are very basic or simple and are therefore unsatisfactory. 简陋的 [正式]
The earth surface of the courtyard extended into a kind of rudimentary kitchen.
院子的泥土地面延伸进一间类似简易厨房的地方。
ADJ（形容词） Rudimentary knowledge includes only the simplest and most basic facts. 最基本的 [正式]
He had only a rudimentary knowledge of French.
他只有最基本的法语知识。