【化】 toluylene
inferior; second【医】 deutero-; deuto-; sub-
armour; first; nail; shell【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
era; generation; take the place of【电】 generation
phenyl【化】 phenil; phenyl; phenyl group【医】 Ph; phenyl