1. Blood was trickling from his mouth.
    鲜血从他嘴里一滴一滴地流出来。

2. Blood circulates in the body.
    血液在体内循环。

3. Blood is crimson.
    血是深红色的。

4. Blood was pouring from the wound.
    血从伤口中涌出.

5. Blood trickled from the wound.
    血液从伤口中流出.

6. Be that as it may, the nerve poison does its business with man far more quickly than the blood poison.
    不过，神经毒辣液比溶血性毒液在人身上起作用快得多。

7. Because time was short — the patient was dying — the Red Cross man and an officer set out in an army vehicle.
    由于时间紧迫--病人已奄奄一息--红十字会的人和一名军官乘一辆军车出发。

8. Beard and other experts say it's advisable for people in these groups to have a yearly blood test to check blood iron reserves.
    比尔德和其他专家都说，对这些人而言，最好每年验一次血，以测定血液中铁离子的储量。

9. Why, if little Hans comes here, and sees our warm fire, and our good supper, and our red wine, he will envy us, and envy is a terrible thing.
    哎，如果小汉斯到咱家来，看到咱们温暖的火炉，丰盛的晚餐，还 有红酒，他会嫉妒我们的。而嫉妒却是一件令人可怕的事。

10. When the blood of the languishing birds was examined, it was found teeming with malaria parasites.
    把这些快要死去的麻雀的血取出来检验，血液中充满了疟疾寄生虫。