blood的音標是[bl?d]，基本翻譯是血液。記憶技巧：blood血液，血統。

Blood的英文詞源：

Blood這個詞源自于古英語blode，原意是血液。

變化形式：

bloodiness，bloodiness是blood的名詞形式，表示血液的量。

相關單詞：

1. bloodline（血統）：表示家族或種族的血緣關系。

2. bloodletting（放血）：在中世紀，人們認為放血可以治療某些疾病，因此bloodletting成為放血的英文表達。

3. bloody（血腥的）：表示強烈的或令人不悅的情感或行為。

4. bloodthirsty（嗜血的）：表示渴望或尋求殺戮的行為。

5. blodl（血液）：在古英語中，blodl是血液的意思，現在已不再使用。

6. blod（血）：在瑞典語和丹麥語中，blod是血液的意思。

7. hematoma（血腫）：指由于外傷或疾病引起的局部出血形成的腫塊。

8. hematology（血液學）：研究血液和血液成分的學科。

9. coagulation（凝結）：指血液由液態變為固態的過程。

10. hemorrhage（出血）：指體內任何部位的不正常出血。

常用短語：

1. blood relatives 血緣關系

2. in the blood 天生的

3. blood pressure 血壓

4. blood test 驗血

5. blood group 血型

6. blood donation 獻血

7. blood relation 血親

雙語句子：

1. I have a strong sense of blood relatives. 我非常認同我的血緣關系。

2. He is born with the gift of singing in the blood. 他天生就有唱歌的天賦。

3. Her high blood pressure is a result of stress. 她高血壓是因為壓力過大。

4. I had a blood test to check for diseases. 我做了驗血以檢查疾病。

5. He is O-negative, the universal blood type. 他是O型血，可以輸給任何人的那種。

6. I donated blood to help those in need. 我獻了血以幫助那些需要的人。

7. They are blood relations, but have different political views. 他們有血緣關系，但有不同的政治觀點。

英文小作文：

Blood is the lifeblood of our body, and it plays an essential role in our health and well-being. It helps us to carry oxygen and nutrients to all parts of the body, and it also helps to maintain our body temperature and regulate our immune system. Without blood, we would not survive.

Blood donation is an act of kindness and selflessness, as it can save lives and help those in need. It also helps to maintain a healthy supply of blood in the body, which is essential for maintaining good health and well-being.

However, blood can also be a symbol of family and friendship, as it unites us through our shared genetic heritage. In many cultures, having a common blood type or sharing a similar blood donation history can strengthen family ties and bonds.

In conclusion, blood is more than just a bodily fluid; it plays an integral role in our health, well-being, and relationships. We should cherish our blood and be grateful for the gift of life it provides us.