“保質(zhì)期”英語怎么說

Jessica在北京學(xué)中文，她的中國朋友要是遇到了不知道用美語怎么說的詞，就會(huì)來請教她。今天是方方要問的：保質(zhì)期。

FF: Jessica, 你過來幫我看看，這個(gè)牛奶是不是過期了呀?

Jessica: Let me see...Hmm, I'm not sure. When did you get this?

FF: 兩周前吧! 那時(shí)候牛奶大減價(jià)，我就一口氣買了4瓶! 貪便宜, 可是忘了看保質(zhì)期...

Jessica: Milk normally has a shelf life of a week. Shelf is spelled s-h-e-l-f, 是貨架的意思。shelf life 能夠放在貨架上的日子，也就是保質(zhì)期!

FF: 原來是這樣! 那我都買兩個(gè)禮拜了，我看這牛奶肯定過期了....

Jessica: I bet you're right. I think this milk is past-date. You'd better throw it away!

FF: Past-date, 這里的date就是盒子上標(biāo)識(shí)的生產(chǎn)日期。past-date 也就是過期了的意思! 真可惜，這可是最好的牛奶，這些牛都是只吃鮮草，聽古典音樂長大的!

Jessica: That sounds like a top shelf product to me! 高檔商品!

FF: Top shelf, 在貨架上最高的地方，就是指高檔貨! 那相對來說，價(jià)格便宜的產(chǎn)品又要怎么說呢?

Jessica: It's the opposite of that. We call it a bottom shelf product. Basically less expensive stuff is put on the bottom shelf.

FF:Top shelf product, 高檔貨，bottom shelf product, 便宜貨! 我記住了。

Jessica: 好!那你說說看，What have you learned today?

FF: 今天我們學(xué)到的內(nèi)容包括:

第一，保質(zhì)期是shelf life;

第二，過了保質(zhì)期可以用 past-date;

第三，高級貨叫做top shelf product, 便宜貨叫做bottom shelf product!