形容詞是sealed，意思是封閉的，例如：
1、An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressure.膜盒是一種密封的彈簧縐紋管，可以感受到大氣壓力的變化。
2、The floor is sealed to prevent water penetration.地板加了密封塗料防止滲水。
3、The body was sealed in a lead coffin.屍體安放在密閉的鉛棺中。
形容詞形式是sealed，中文意思是adj. 封閉的，密封的
Fully - sealed sample piece is one of important parts of leak detection equipment and its leakproofness directly affects accuracy of measurement.
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