dertrum

/dur-truhm/US // ˈdɜr trəm //

腹腔镜,腹肌,腹稿,腹肌发达

Definitions

n.名词 noun

1
plural der·tra [dur-truh]. /ˈdɜr trə/. Ornithology.
- : the extremity of the maxilla of a bird's bill, especially when hooked or differentiated from the rest of the bill, as in pigeons and plovers.