“胸腺”造句
另两个为
胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.
The other two, thymine and cytosine, are single ring structures called pyrimidines.
直到不久以前,人们对
胸腺的功能尚不明了.
The function of the thymus was unknown until relatively recently.
动物的免疫系统由两个主要部分组成,即
胸腺和骨髓系统.
In animals, this consists of 2 principal components - thymic and bone marrow system.