duckbill

n.

鸭嘴兽；

1. New evidence, however, challenges that theory.The duckbill platypus, it turns out, gets about eight hours of REM shuteye a day.
   新证据向上述观点提出挑战，它推翻了鸭嘴兽一天睡眠八小时的理论。

duckbill
duckbill
Disposable duckbill speculum
DUCKBILL SEAL WITH FLUID DRAINAGE FEATURE
Brunner's glands of the duckbilled platypus (Ornithorhynchus anatinus).
Primary optic pathways in the duckbill platypus, Ornithorynchus anatinus. J
Prognostic factors affecting the success of duckbill vocal restoration.
Primary optic pathways in the duckbill platypus, Ornithorynchus anatinus: An experimental degeneration study
TCR gamma chain diversity in the spleen of the duckbill platypus (Ornithorhynchus anatinus).
Voice restoration after total laryngopharyngectomy and cervical esophagectomy using the duckbill prosthesis ☆