词根词缀：spin-, spino-, spini-

【来源及含义】Latin: thorn, prickle; by extension, "backbone", the spinal cord

【同源单词】anospinal, anterospinal, cerebrospinal, cervicispinal, costispinal, dorsispinal

词根词缀：-ulous, -ulously

【来源及含义】Latin: a suffix; tending to do, inclined to; full of

【同源单词】acidulous, bibulous, cavernulous, circumnebulous, credible, credulous