| 单词 | 屏蔽物 |
| 释义 | 〔apron〕Something, such as a protective shield for a machine, that resembles this garment in appearance or function.挡板；拖板箱：一些在外表或功能上类似这种服装的东西，如机器上的保护屏蔽物〔argon〕A colorless, odorless, inert gaseous element constituting approximately one percent of Earth's atmosphere, from which it is commercially obtained by fractionation for use in electric light bulbs, fluorescent tubes, and radio vacuum tubes and as an inert gas shield in arc welding. Atomic number 18; atomic weight 39.94; melting point -189.2°C; boiling point -185.7°C. See table at element 氩：无色无味惰性气体元素，构成地球大气约百分之一的部分，它可通过分馏法大量获取，使用于电灯泡，荧光灯及收音机真空管中，并可在电弧焊接中作惰性气体屏蔽物。原子序数18；原子量39.94；熔点-189.2°C；沸点-185.7°C 参见 element〔windshield〕A framed pane of usually curved glass or other transparent shielding located in front of the occupants of a vehicle to protect them from the wind.挡风玻璃：通常弯曲的一种带框的玻璃或其他透明屏蔽物，置于汽车车主位置之前以防风 |
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