Dr Liang-Dar Hwang said: Bitter taste perception is shaped not only by genetics, but also environmental factors.

Liang-Dar Hwang博士称：“苦味直觉不仅仅由基因决定，还有环境因素。

It has not a bitter taste like the horse-chestnut.

它的味道可不像马栗那么苦。

The product of the cacao seed has a very bitter taste.

可可豆本身是苦的。

This juice is very sticky, and it has a bitter taste.

这种液体极富粘性, 带有些许苦味。

But on its own, it is sour and has a bitter taste.

但就其本身而言，它是酸的，有一种苦味。

But genes that help detect bitter, sweet and savory tastes are inactivated.

但是，帮助感知苦味、甜味和咸味的基因是不活跃的。

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。

'Temptation has a bitter taste, ' he said, shaking his head. 'I can't marry her.

“诱惑是苦涩的。”他摇着头说。“我不能和她结婚。

Bitter Gourd has a distinct bitter taste that does not appeal to my palete.

苦瓜有一种明显的苦味，不适合我的口味。

It deters insects from attacking or eating the plant, in part with its bitter taste.

它能阻止昆虫攻击或吃掉植物，部分原因是它的苦味。

Workers must first dry and then roast them in order to remove the bitter taste.

工人们必须先将其弄干，然后经烘烤才能去除苦味。

Kistler says mastodons probably weren't put off by the gourds' bitter taste.

基斯特勒表示，乳齿象可能不会被野生南瓜的苦味吓退。

However, the seeds can be toxic, and their bitter taste is a sign of this.

然而，这些种子可能是有微毒的，它们的苦味就是一个标志。

In that pure form, caffeine is a white crystalline powder that has a pretty bitter taste.

在这种纯形态下，咖啡因是一种白色结晶状粉末，味道相当苦。

The berries did not help his hunger. Their bitter taste only made his tongue and mouth sore.

沼地上的浆果并不能减轻这种剧痛，那种苦味反而使他的舌头和口腔热辣辣的。

Sodium chloride can chemically block bitter taste receptors and amplify those that sense sweet, salty, and umami.

氯化钠可以从化学上阻断苦味味觉受体并放大那些感觉甜、咸和鲜味的味觉受体。

Not everyone liked the bitter taste of coffee, but later honey, sugar, and milk were added to it.

并不是每个人都喜欢咖啡的苦味，但后来人们在其中加入了蜂蜜、糖和牛奶。

Drink it and I'll give you a lump of sugar to take the bitter taste from your mouth.

“喝了它我就给你一块糖，去去苦味。”

Citric acid, which is responsible for that bitter taste in oranges, lemons, limes, and lots of other citrus fruits.

柠檬酸，是橙子、柠檬、酸橙和许多其他柑橘类水果带有苦味的原因。

People who were more sensitive to the bitter taste of caffeine were more likely to prefer coffee to tea.

而对咖啡因中的苦味更加敏感的人更有可能倾向于喝咖啡。