- n. 帽舌
a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face
a brim that projects to the front to shade the eyes;
"he pulled down the bill of his cap and trudged ahead"
- He pulled the visor of his cap down a little.
He was pierced with..a javelin through the visor of his helmet.出自： C. Thirlwall
A blue plastic safety helmet with a transparent visor.出自： D. Lodge