常见例句用作名词 (n.)Then they timed the reactions that caused the new thymine bonds to form.然后他们记录了产生新的胸腺嘧啶键形成的反应。The other two, thymine and cytosine, are single ring structures called pyrimidines.另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。 返回 thymine