单词 | hood |
释义 | hood [hu̇d] DESIGN ENGINEERING An opaque shield placed above or around the screen of a cathode-ray tube to eliminate extraneous light. ENGINEERING 1. Close- fitting, rubber head covering that leaves the face exposed; used in scuba diving. 2. A protective covering, usually providing special ventilation to carry away objectionable fumes, dusts, and gases, in which dangerous chemical, biological, or radioactive materials can be safely handled. |
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