1. Women of child-bearing age are at greatest risk, since their monthly bleeding is a major source of iron loss.
    育龄女性危险最大，因为月经是铁流失的重要原因之一。

2. Next I felt intense fear. Had I cut my head? Was I bleeding? Was there blood in the pool?
    接着便感到十分恐惧。头碰破了吗？流血了吗？游泳池里有没有血？

3. He was bleeding to death.
    他流血不止而死去。

4. Her gums and her bowels were bleeding.
    她的牙龈和肠子在出血。

5. As a result, the poor man continued on for nearly three more months with a painful throat and frequent bleeding caused by sores in the mouth.
    结果，可怜的老人又多活了近三个月，喉咙依然疼痛不已，嘴里也因灼痛而经常出血。

6. Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.
    有些铁离子随汗液流失。另外，由于某些未知的原因，高强度的耐力运动有时是与消化系统内出血联系在一起的。

7. She can't eat, she has been bleeding, and her skin is a deep yellow color.
    她不能吃东西，一直流血不止，皮肤也呈深黄色。"

8. I couldn´t stem the bleeding.
    我无法止住流血。

9. In particular, he studied how to prevent a wounded man from bleeding too much, and also he studied the nerve system in the bodies of animals and humans.
    特别是，他研究了怎样防止伤员流血过多。同时还研究了动物和人体的神经系统。

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