They are of the same blood.

他们是血亲.

《现代汉英综合大词典》

In a transfusion, donor and recipient should be of the same blood group to prevent agglutination.

输血时供血者与受血者应是同一血型以防止凝集.

辞典例句

Why not? After all we share the same blood.

有何不可? 毕竟我们都流著相同的血.

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AIDS virus are of the same blood, you and I.

艾滋病毒, 你和我,血脉相同.

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We both share the same blood.

我们共有相同的血脉.

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Aragorn: The same blood flows in my veins. ( he Arwen ) The same weakness.

亚拉 冈: 我身上流着跟他一样的血. 一样的软弱.

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Nor will you, my dear, for you and I are of the same blood.

还有你, 亲爱的梅勒妮,你也不会适应的, 因为我们有着相同的血统.

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Malice? You and I no longer have the same blood since we were reformed!

(玛利斯 —— 从我们被改造那一刻开始,我们体内就不再流有相同的血液了! )

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