With its really sour taste, sucking on a lemon is unpleasant.

由于柠檬浓酸的口味，因此吸一口柠檬是令人很不愉快的事。

Toothbrush at the ready: the truth might leave a sour taste.

真相可能会留下苦涩的味道。

So far, scientists have reproduced sour, salty, sweet and bitter tastes.

到目前为止, 科学家们已经成功复制出酸, 咸, 甜及苦的味道。

Genes that help birds detect salty and sour tastes are active in penguins.

帮助鸟类感知咸味和酸味的基因在企鹅身上很活跃。

Spoiled fruits and dairy products contain acid, which gives them a sour taste too.

变质的水果和奶制品含有酸，这也给它们带来酸味。

Some other kinds of fruit are sour, for example, lime and grapefruit also have a sour taste.

还有一些其他种类的水果也是酸的，比如酸橙和葡萄柚也有酸味。

That's part of the reason why this new technology has left a sour taste among some consumers.

所以这项新技术在一些消费者中留下了不良印象。

Or you could say, I really enjoy the sour taste, so sometimes I add some lemon juice to my water.

或者你可以说，我真的很喜欢酸味，所以有时我会往水里加一些柠檬汁。

These hydrogen ions are what sour taste receptors in your taste buds pick up on; they're also found in acidic foods.

这些氢离子就是味蕾感受到酸味的原因， 它们也存在与酸性食物中。

And the sour taste of tamarind.

- 还有罗望子的酸味。

And what it does, it makes sour food taste sweet.

它的作用是让酸味食物变甜。

I thought: This cake should be sweet, but it has a strange sour taste.

我心想：这蛋糕应该是甜的，但吃起来有一种奇怪的酸味。

It kind of tastes like Ketchup, but it has this like nice tangy sour taste to it.

- 有点像番茄酱的味道，但它有一种浓郁的酸味。

You can still get the sour milk taste with the milk chocolate but the almonds cover it up.

你仍然可以用牛奶巧克力得到酸牛奶的味道， 但杏仁掩盖了它。

A charged nine-volt battery happens to provide the right jolt to cause a sour taste, but smaller shocks can be sweet, spicy, bitter, or even savory at times.

一节满电的九伏电池正好可以造成酸味，但是一点电的点击可以是甜的、辣的、苦的，甚至有时是美味的。

Ms Crisinel and Dr Spence have previously established that sweet and sour tastes, like smells, are linked to high pitch, while bitter tastes bring lower pitches to mind.

此前Ms Crisinel和Dr Spence已经确定，酸味、甜味就像酸、甜的气味一样与高音相关；苦味则带来低音的感觉。

But no—of course not—and as I felt the sour taste in my mouth and the sweat in my palms, I knew that in a minute I would be sick.

可是他没有，当然没有。当我觉得口中有股酸涩味道，掌心跟着冒汗时，我知道自己马上就会病倒。

He says they were pretty good about refunding his money quickly, but the whole experience still left a kind of sour taste in his mouth.

他说他们很快就给他退款了，但整个经历仍然让他心里有一种酸涩的感觉。

For sourdough, that “something” is a mix of wild yeast and bacteria, which break down sugars and make chemicals that give the bread its chewy, sour taste.

对于酵母来说， 这种“东西” 是野生酵母和细菌的混合物，它们分解糖分并产生化学物质， 使面包具有耐嚼的酸味。

John asked Lily to bring some freshly squeezed lemon juice for the picnic. He found the sour taste of lemonade was refreshing on a hot summer’s day.

约翰叫莉莉为野餐带去一些鲜榨柠檬汁，他发现柠檬的酸味在炎热的夏天令人清爽，使人振奋。