Basil and lemongrass as well as ginger add the taste of bitter-sour allowing the element of earth to also be present.

罗勒、柠檬香草及生姜增加了酸味，让土元素得以呈现。

youdao

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.

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。

youdao

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.

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。

youdao

It can be described as a shortcut to umami, the so-called fifth flavor (in addition to sweet, sour, bitter and salt), which in turn is often described as savory or meaty.

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