密封罐
Store the cookies in an airtight tin.───把甜饼干放在密封的桶里。
Biscuits will stay crisp if you keep them in an airtight tin.───如果你把饼干放到一个密闭的铁罐里，它就会保持松脆。
Biscuits will stay crisp if you keep them in an airtight tin.
Store the seeds in an airtight tin.
Store the cookies in an airtight tin.
They should be either burnt or laid out flat to dry, or kept in an airtight tin.
airtight jar───密封罐
airtight───adj.密闭的，密封的；无懈可击的
airtight container───密封容器
airtightly───气密的
airtightness───n.密封性
freight ton───[交]运费吨；载货容积吨
freight train───货运车
straight time───正式工作时间；规定工时
air-tight───严密的，不透气的