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时差N小时 蜂蜜

时间:2021-07-01 07:54来源:互联网 提供网友:nan   字体: [ ]
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Leave it on the shelf too long and honey begins to crystallize.

蜂蜜放在货架上太久是会结晶的。

Heating the honey returns it to its original condition, but if you add water, you could ruin the honey completely.

将蜂蜜加热使它转化成最原始的状态,但如果你往里加水,你就有可能会完全毁了蜂蜜。

That's because honey, which is a preservative1 in its original state, ferments3 once it's diluted4.

那是因为蜂蜜在其原始状态下是不变质的,而当加水稀释后则会发酵。

In ancient times, honey was used as a food preservative.

在古代的时候,蜂蜜被用于食物防腐剂。

It works as a preservative because the high concentration of sugar in honey forces the water out of any yeast5 or bacteria cells that could otherwise contaminate the food.

它作为防腐剂的工作原理是蜂蜜中的高浓度的糖会将酵母或细菌细胞中的水分排出来,否则这些细胞会污染食物。

This process, known as "osmosis," is also what makes salt such an effective preservative.

这个过程叫做“透析”,同样也使得盐成了一种有效的防腐剂。

Eventually, the process of osmosis destroys those cells by drawing out all their water--in other words, by drying them up.

最后,这个透析的过程会通过吸干所有的水分,换句话说就是使其变干燥,从而破坏细胞。

So because of its high sugar concentration, pure honey will never ferment2 or go bad.

所以说由于它的高浓度,纯蜂蜜将永远不会发酵或变质。

It may crystallize but by soaking the jar in hot water you can turn it back into a liquid.

蜂蜜是会结晶的,但如果你把蜂蜜罐放到热水里,它是会再变回液体的。

Adding water, however, lowers the concentration of sugar in the honey and turns a natural preservative into an excellent food for yeast and bacteria.

加水,降低蜂蜜中糖的浓度,会将天然防腐剂转成酵母和细菌的绝好食物。

You may not want a fermented6 jar of honey on your shelf, but ancient people turned that characteristic of honey to their advantage in creating what may well have been the very first alcoholic7 beverage8.

你可能不会想在你的书架上摆一瓶发酵了的蜂蜜罐子,但是古人利用蜂蜜的这个特点,创造出了第一批酒精饮料。

Honey mixed in water and allowed to ferment, produces the drink called "mead9."

将蜂蜜和水混在一起,让其发酵,制出来的饮料叫“蜂蜜酒”。

So you may or may not want to add water to your honey.

但你可能想也可能不想往蜂蜜里兑水。

If what you want is mead, go ahead, but if you want your honey to last, . . . keep it pure.

如果你想要的是“蜂蜜酒”,那可以兑水,但如果你想要的就是蜂蜜,那就不要兑水。

Next time on "A Moment of Science," we'll see why honey can help baked goods last longer.

下次在“科学时刻”,“我们将会看到为什么蜂蜜可以帮助烘焙食品保质更长时间。


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1 preservative EQFxr     
n.防腐剂;防腐料;保护料;预防药
参考例句:
  • New timber should be treated with a preservative.新采的圆木应进行防腐处理。
  • Salt is a common food preservative.盐是一种常用的食物防腐剂。
2 ferment lgQzt     
vt.使发酵;n./vt.(使)激动,(使)动乱
参考例句:
  • Fruit juices ferment if they are kept a long time.果汁若是放置很久,就会发酵。
  • The sixties were a time of theological ferment.六十年代是神学上骚动的时代。
3 ferments 8c77d43cc962aedecacb5c99e8811688     
n.酵素( ferment的名词复数 );激动;骚动;动荡v.(使)发酵( ferment的第三人称单数 );(使)激动;骚动;骚扰
参考例句:
  • These chemically active ferments cause havoc. 这些化学活性的酶造成广泛损害。 来自辞典例句
  • High solid ferments and yeast lees contract to highlight textural qualities. 采用固体发和酵母分离技术提高酒的品质。 来自互联网
4 diluted 016e8d268a5a89762de116a404413fef     
无力的,冲淡的
参考例句:
  • The paint can be diluted with water to make a lighter shade. 这颜料可用水稀释以使色度淡一些。
  • This pesticide is diluted with water and applied directly to the fields. 这种杀虫剂用水稀释后直接施用在田里。
5 yeast 7VIzu     
n.酵母;酵母片;泡沫;v.发酵;起泡沫
参考例句:
  • Yeast can be used in making beer and bread.酵母可用于酿啤酒和发面包。
  • The yeast began to work.酵母开始发酵。
6 fermented e1236246d968e9dda0f02e826f25e962     
v.(使)发酵( ferment的过去式和过去分词 );(使)激动;骚动;骚扰
参考例句:
  • When wine is fermented, it gives off gas. 酒发酵时发出气泡。 来自《简明英汉词典》
  • His speeches fermented trouble among the workers. 他的演讲在工人中引起骚动。 来自辞典例句
7 alcoholic rx7zC     
adj.(含)酒精的,由酒精引起的;n.酗酒者
参考例句:
  • The alcoholic strength of brandy far exceeds that of wine.白兰地的酒精浓度远远超过葡萄酒。
  • Alcoholic drinks act as a poison to a child.酒精饮料对小孩犹如毒药。
8 beverage 0QgyN     
n.(水,酒等之外的)饮料
参考例句:
  • The beverage is often colored with caramel.这种饮料常用焦糖染色。
  • Beer is a beverage of the remotest time.啤酒是一种最古老的饮料。
9 mead BotzAK     
n.蜂蜜酒
参考例句:
  • He gave me a cup of mead.他给我倒了杯蜂蜜酒。
  • He drank some mead at supper.晚饭时他喝了一些蜂蜜酒。
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