这些橘子看起来不错，但尝起来很酸。
这菠萝尝起来很酸。
它们进化到能够识别出几种基本的味道，以便快速辨别毒素，而毒素在自然界中通常是很苦或很酸的。
They evolved to recognise only a few basic tastes in order to quickly identify toxins, which in nature are often quite bitter or acidly sour.
果子还青，吃起来很酸。
藏了那么多食物后，杰克的背很酸。
妈妈：葡萄还没熟，一定很酸。
儿子：不是很酸，还有点甜呢。
这瓶醋很酸。我不能忍受它的酸性。
This bottle of vinegar is very sour. I cannot bear its sourness.
医生,我的膝盖很酸,你看该怎么治疗?
您能为我按摩一下肩膀吗？它们很酸。
玛丽亚：我好累呀，背很酸，脖子也疼。
Maria: Oh, I am so tired. My back is sore and my neck hurts.
我的脖子很酸，有什么方法可以治疗啊？
我不喜欢葡萄，他们很酸。
他们的拇指一定很酸。
妈妈：葡萄一定很酸。
有些德国葡萄酒很酸。
我喜欢水果。但是我不喜欢葡萄，他们很酸。
我的肌肉真的很酸。
有一个好的理由不吃葡萄柚——他们吃起来很酸。
There is one good reason for not eating grapefruits - they taste sour.
这些橘子很酸。
比如说，如果第四颗葡萄很酸，那么四月份可能有点坎坷。
So, for instance, if the fourth grape turns out sour, then April might just be a little rocky.
或许由于你坐在同一个位置持续工作了4小时，你的肩可能会很酸。
Maybe your shoulders are tight because you've been working in the same position for four hours straight.
口感 脆口，带很酸的新鲜柑橘水果味，以及柠檬皮的味道，余味绵长纯净。
Crisp flavors offer fresh citric fruit over mouth-watering acidity, with an attractive, cleansing lemon-peel tang in the long, clean finish.
因为蔓越莓很酸，会改过胡椒先生的甜味，他们一起就盖过了……，反正又喝了三杯之后我们都叫这杯酒，死神先生。
Because the cranberry is a bit sour, and it cuts the sweetness of the Dr. Pepper, and together, they hide the... Anyway, so after 3 more, each of we called it a Dr. Death.
橡树的叶子尝起来很臭，因为它们含有丰富的单宁酸，这种化学物质会让很多生物感到不适或难以消化。
The leaves of an oak tree taste foul because they are rich in tannins, a chemical that renders them distasteful or indigestible to many organisms.
这些产品的酸浓度非常低，我们的消化系统很容易就能处理它们，不会对我们造成任何伤害。
The concentration< of acid in these products is so low that our digestive systems are easily capable of coping with it with no harm to us.
这些产品的酸浓度非常低，我们的消化系统很容易就能处理它们，不会对我们造成任何伤害。
The concentration< of acid in these products is so low that our digestive systems are easily capable of coping with it with no harm to us.
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