词根词缀:acantho-, acanth-, -acanth, -acanths, -acanthid, -acanthous
【来源及含义】Greek: used either as a prefix or as a suffix; pointed appendages; spine, spiny; thorn, thorny
【同源单词】acanth, acantha, acanthaceous, acanthamebiasis, acanthamoeba, acanthesthesia
词根词缀:ichthyo-, ichthy-, -ichth-
【来源及含义】Greek: fish
【同源单词】ichthic, ichthism, ichthus, ichthyarchy, ichthyoacanth, ichthyoacanthotoxin