1. 鸟喙；鸟嘴
A bird's beak is the hard curved or pointed part of its mouth.

1. horny projecting mouth of a bird

Synonym: billnebnibpecker

2. beaklike mouth of animals other than birds (e.g., turtles)

3. informal terms for the nose

Synonym: honkerhooternozzlesnootsnoutschnozzleschnoz

4. a beaklike, tapering tip on certain plant structures