| 单词 | Agnatha |
| 释义 | Agnatha (once / 2954828 pages) n WORD FAMILY Agnatha USAGE EXAMPLESRadula with elongated and pointed teeth, like those of the Agnatha; a jaw present. Various, Encyclopaedia Britannica, 11th Edit...(2011) Despite this, the play’s most memorable characters are Agnatha’s African colleagues at the community center where she teaches. New York Times(May 10, 2010) n superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms Syn|Hyper superclass Agnatha class (biology) a taxonomic group containing one or more orders |
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