| 释义 |
seal COVERINGsi:ln [C]something fixed around an opening to prevent liquid or gas flowing through it, or a piece of thin material such as paper or plastic which covers the opening of a container and has to be broken in order to use the contents密封垫，密封装置; 封口Clean the seal on the fridge door regularly so that it remains airtight.定期清洁冰箱门上的密封垫，可以使它保持密闭。Doors and windows don't close tightly unless they have a good seal on them.门窗上若不加优质的密封材料就不能紧闭。Don't use that jar of baby food if the seal is broken.要是密封层破损，罐里的婴儿食品就不能食用了。
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