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...
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&#...
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...