n. 卡位；屏幕（screen的复数）

n a white or silvered surface where pictures can be projected for viewing

n a protective covering that keeps things out or hinders sight

n the display that is electronically created on the surface of the large end of a cathode-ray tube

n a covering that serves to conceal or shelter something

n a protective covering consisting of netting; can be mounted in a frame

n the personnel of the film industry

n a strainer for separating lumps from powdered material or grading particles

n a door that consists of a frame holding metallic or plastic netting; used to allow ventilation and to keep insects from entering a building through the open door

n partition consisting of a decorative frame or panel that serves to divide a space

v test or examine for the presence of disease or infection

v examine methodically

v examine in order to test suitability

v project onto a screen for viewing

v prevent from entering

v separate with a riddle, as grain from chaff

v protect, hide, or conceal from danger or harm