这个牙膏保质期多久?这个牙膏的保质期是一年.这个电视机的保修是多久?这个电视机的保修期是5年.翻译成英语 怎么说 英语
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【答案】 How long is the shelf life of this toothpaste?
The shelf life of this toothpaste is one/a year.
How long is the warranty of this television?
The warranty of this television is five years.