词根词缀：-crum

【来源及含义】Latin: a suffix; result of the act of, means of

【同源单词】ambulacrum, fulcrum, sacrum, simulacrum

词根词缀：simal-, simil-, simul-, -semble

【来源及含义】Latin: same, like, alike; same time; to appear, to seem; together

【同源单词】assemblage, assemble, assembly, assembly line, assimilable, assimilate