抗酸剂是碱性的，它们通过中和胃容物中的酸来缓解疼痛。
Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.
用盐腌的酸橙是用来给鸡肉调味的一种北非特产。
Lime preserved in salt is a North African speciality which is used to flavour chicken dishes.
有趣的是，当所有的柠檬酸冲击他们的味蕾时，人们做出的各种表情。
The fun is all about expression people make as all that citric acid hits their taste buds.
我们的嘴巴和舌头上都有味蕾。味蕾是五种基本味道的感受器：甜、咸、酸、苦和鲜味，也就是通常所说的咸味。
Our mouths and tongues have taste buds, which are receptors for the five basic flavors: sweet, salty, sour, bitter, and umami, or what is more commonly referred to as savory.
柠檬是一种酸的水果。
这很重要，因为酶的氨基酸序列是由基因决定的。
This is significant, because the amino acid sequence of an enzyme is determined by genes.
氨基酸是蛋白质的组成部分。
他们尤其想在土壤中找到的是氨基酸。
What they'll look for specifically in the soil is amino acids.
单宁酸是防御机制的一部分，对长寿至关重要。
The tannins are part of the defense mechanism that is essential to longevity.
有些樱桃是甜的，有些樱桃是酸的。
如果发现了氨基酸，并且它们普遍表现出同一种偏向性——要么像地球上的氨基酸一样是左旋的，要么是右旋的，那将会格外有趣。
If amino acids are found, it would be especially interesting if they show a prevalence of one type of handedness, either left, like amino acids on Earth, or right.
要注意的是，绿豆不宜煮得过烂，以免使有机酸和维生素遭到破坏，降低清热解毒功效。
Beware that do not boil mung beanl too rotten, lest make organic acids and vitamin destruction, reduce heat clearing and detoxicating effect.
M.O.A 这种有机分析器令人印象深刻的原因之一是：它不仅检验了氨基酸是否存在，而且还测试出了氨基酸的旋向性。
One reason the M.O.A., the organic analyzer is so impressive is that it tests not just for the presence of amino acids but also for the handedness of amino acids.
我们都知道，柠檬是酸的。
这牛奶闻起来是酸的。
我喜欢柠檬因为它们是酸的。
这些看起来不错，但我敢肯定，它们吃起来是酸的。
制作它的方法是将酸笋、腐竹、新鲜蔬菜和花生放入田螺汤中煮熟。
To make it, people should boil sour bamboo shoots, dried tofu skin, fresh vegetables, and peanuts in river snail soup.
在宇宙中其他的一些物理过程，那些不牵涉到生物体的过程，是可以创造出氨基酸的。
Other physical processes in space, processes that don't involve living organisms, can create amino acids.
INH的主要目标是参与霉菌酸生物合成的蛋白质。
The primary target of INH is the proteins involved in the biosynthesis of the mycolic acids.
他说他不想去仅仅是因为没人邀请他去，你没看出来他是吃不到葡萄就说葡萄是酸的吗？
He said he didn't want to just because nobody asked him to, can't you see it is sour grapes?
这葡萄是酸的。
这是因为我放了太多的咖啡还是因为过期的咖啡味道是酸的？
It is because I put too much coffee or expired coffee taste sour?
新鲜的牛奶闻起来是酸的，脏兮兮的狗窝很好闻，其他的气味则一点都闻不到。
Fresh milk smelled sour, the dirty dog pen smelled good, and other odors couldn't be detected at all.
这些苹果不熟，是酸的。
你爱喝的碳酸汽水尝起来是酸的，这归功于一种酶，这种酶能将二氧化碳转化为酸感应细胞能察觉的质子。
The carbon dioxide in your favorite soda pop tastes sour to your tongue, thanks to an enzyme that converts CO2 into protons that sour-sensing cells can detect.
顾客：你这桃是酸的还是甜的？
虽然一开始的时候它尝起来是酸的甚至是苦的，但是如果你不放弃你也会尝到里面的甜头。
Although it tastes sour and even bitter at the beginning, you will also taste the sweetness inside if you don't give up.
有的菜是酸的，有的是甜的，有的是苦的，还有的是辣的。
Some were sour, some were sweet, some were bitter and some were hot.
有的菜是酸的，有的是甜的，有的是苦的，还有的是辣的。
Some were sour, some were sweet, some were bitter and some were hot.
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