Essential amino acids, or EAAs, are amino acids that our body needs but cannot produce on its own, and there are 9 of them: Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

，简称 EAA，是我们身体需要但不能自己产生的，其中有 9 种：，异亮，亮，赖，蛋，苯丙，苏，色和。

Aldolase A is made of 350 amino acids, the building blocks of proteins, but the bit that does the work consists of only three of these: lysine, glutamic acid and tyrosine. The rest of the enzyme is packaging.

醛缩酶A由350种成，这些是蛋白质的成成分，但起作用的部分只有三个：赖、谷和酪。剩下的酶是包装的。