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

One of the basic tastes, mainly due to mineral salts.

一种基本的味道，主要来自矿物盐类。

youdao

Salty. One of the basic tastes, mainly due to mineral salts.

咸的：一种基本的味道，主要来自矿物盐类。

youdao

Other airlines have been increasing their use of umami, which is one of the five basic tastes discovered by the Japanese (together with sweet, sour, bitter and salty).

BBC: A possible end to plane food

He prioritizes flavor over flair without sacrificing either, sourcing basic and familiar tastes from nature.

NEWYORKER: Atera

Shark fin is a particularly sorry example of the wanton decimation of ocean life feeding more indulgent tastes (see also bluefin tuna) as well as for more basic diets.

FORBES: Side Lines