n. a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face
n. 面甲, 帽舌, 面罩
1. He wore a visor to protect his eyes from the sun while playing tennis.
他打网球时戴着一顶遮阳帽来保护眼睛免受阳光的照射。
2. The construction worker used a hard hat with a built-in visor for safety.
这位建筑工人戴着一顶带有遮阳板的安全帽来确保安全。
3. She adjusted her visor to block the bright light as she rode her bike.
她调整了自己的遮阳板，以遮挡骑自行车时的强光。