英语语法分析

Sharks have strong, complex immune systems that include an angiogenin inhibitor in their cartilage.

鲨鱼有强壮的，复杂的免疫系统，包括软骨中的血管生长素抑制物。

Objective To prepare the high effective and soluble genetic engineering antibody of anti-human angiogenin.

目的制备高活性的可溶性抗人血管生长素噬菌体基因工程抗体。

Although the catalytic activity of angiogenin is rather weak, it is critical for its angiogenic properties.

血管生成素的核糖核酸酶活性很弱，但对它的血管生成活性是至关重要的。