【化】 formyl acetic acid
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
【机】 hydrazide; ureides
【化】 acetic acid; ethanoic acid; lead tetraacetate; methyl carbonic acid
zoonic acid
【医】 acetic acid; ethanoic acid