by blood

例句：

1. Putting the best face on the pullout, the leadership in Moscow and Kabul exchanged official messages reaffirming the continuation of a relationship "sealed by blood."
   為使撤軍無損顏面，莫斯科與喀布爾(阿富汗首都)的領導人交換官方照會，再度肯定繼續“熱血凝成的”友誼。
2. Connection by blood, marriage, or adoption; family relationship.
   親屬關係由血緣，婚姻，或收養形成的親戚關係; 家庭的親屬關係
3. Not associated with or supplied by blood vessels.
   無血管的不與血管相關或不由血管供應的
4. One related by blood or origin with another, especially a person sharing an ancestor with another.
   具血親關係者與另一個人的血緣或來源相關的人，尤指與別人有共同祖先的人

字典網