引起咳血的原因,包括有感染, 心脏血管疾病, 肿瘤, 以及血管炎等.The causes for hemoptysis include infection, cardiovascular disease, cancer, and vasculitis.在这一两天内, 这个人开始咳血.In a day or two, the person starts to cough up blood.在结多抗结核菌的药物治疗后,病患咳血自动缓解.He...
Is full employment any longer achievable?充分就业还有可能实现吗？Understanding these rare molecules will help chemists to find out what is achievable.了解这些稀有分子能帮助化学家找到可实现的目标。Agreement may be achievable only by formulas so vague as to...
标出在Wh - 问句中,wouldyou和couldyou是如何被简化的?Note how would you and could you are reduced in Wh - questions.简化的理想模型可代替复杂的系统.The complicated system maybe represented by a simplified conceptual model.必须牢记这种简化的后果.These simplificati...
Sleds pulled by dogs are in common use in the Arctic.狗拉的雪橇在北极地区很常用.Will there be a nursery full of little grav - sleds and data disks?你说会不会有个幼儿园装满了小芯片和数据碟?A competition in which these sleds race against a clock.'逆&#...