This is the codon, this is the anti-codon, there's only one anti-codon that matches this one and that anti-codon is always - occurs in a molecule that has leucine attached to the other side.

这是密码子,这是反密码子,只有一个反密码子与之对应,而反密码子的另一端,总是携带着一个亮氨酸

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That creates a problem in the genetic code in that there's 64 possible sequences but there's only 20 some amino acids, so each amino acid can be specified by more than one codon.

这里有个问题,遗传密码有六十四种可能的序列,而只有二十种氨基酸,因此每种氨基酸都有,不止一种密码子与之对应

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