lines or patterns on the surface of an object, such as wood grain or ripples

(bound form) throat; larynx; often referred to as 喉咙 hóu​lóng or 喉头 hóu​tóu

(bound form) bird of the Pycnonotidae family; bulbuls are small to medium-sized birds with short necks and wings, known for their melodic singing and diet of berries and insects