hermetically
(ad.)密封地
her·met·i·cal·ly /-ɪk(ə)lɪ/ 副詞
Her·met·ic·al·ly, adv.
1. In an hermetical manner; chemically.
2. By fusion, so as to form an air-tight closure.
Note: ☞ A vessel or tube is hermetically sealed when it is closed completely against the passage of air or other fluid by fusing the extremity; -- sometimes less properly applied to any air-tight closure.
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hermetically
adv : in an airtight manner; "this bag is hermetically sealed"