a dark plate or screen used to shield a lens from light
透镜遮光片。
【戏剧】 遮光屏。
a shield used to mask a microphone from extraneous noise
(扬声器上的)杂音过滤布。
a vegetable root used in Japanese and other oriental cookery
牛蒡(日本和其他东方国家烹饪用的菜根)。
"1930s: of unknown origin, perhaps from