rudimentary
adjective formal uk/ˌruː.dɪˈmen.tər.i/ us/ˌruː.dəˈmen.tər.i/
基本的；初步的；粗浅的
basic
Her knowledge is still only rudimentary. 她仍然只是粗通皮毛。
原始的；简陋的；未充分发展的
Rudimentary methods, equipment, systems, or body parts are simple and not very well developed.
Some unusual fish have rudimentary legs. 有些罕见的鱼类长有未发育完全的腿。
Synonyms: basiccrude (SIMPLE)elementaryinchoate rough (POOR QUALITY)rough and readyrude (SIMPLE) simple (PLAIN)undevelopedunrefinedunsophisticated