雮
Definition
* 鸟类用嘴蘸尾脂腺分泌的油脂润泽羽毛
(translated) Birds dip their beaks into the oil from the uropygial gland to preen their feathers
Structure
Related substructures
Precursors
No data
Last Modified: 2026-01-29 11:48 UTC
* 鸟类用嘴蘸尾脂腺分泌的油脂润泽羽毛
(translated) Birds dip their beaks into the oil from the uropygial gland to preen their feathers
No data
Last Modified: 2026-01-29 11:48 UTC