单词	anal vein
释义	anal vein noun : one of the three posterior veins of the wing of a primitive insect Word History First Known Use 1849, in the meaning defined above
随便看	ammoniator ammonification ammonifications ammonified ammonifier ammonifiers ammonifies ammonify ammonifying ammonio- ammonioborite ammoniojarosite ammonite ammonites ammonitic ammoniticone Ammonitida ammonitiferous Ammonitish ammonitoid Ammonitoidea ammonium ammonium bicarbonate ammonium bromide ammonium carbamate

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