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in good condition保养得很好,完好无损,健康状况良好
例句：It's in good condition.
这台电视机情况良好。
2.It also will attempt to find possible environmental reasons for the damage.
attempt to企图，试图
例句：He attempted to visualize his grandmother's uncle.
他试着想像他祖母的叔叔的样子。
She attempted to drown herself in the river.
她企图投河自尽。
3.In another four, the CT examination showed abnormal areas where the arteries should have been.
should have been虚拟语气，与现在的事实相反。
4.He said it was possible that they had high blood pressure.
it在这里是形式主语，指代的是后面that引导的从句。
5.The doctors wanted to know how this could be known. They decided to carry out a study.
carry out开展,贯彻,执行,履行,实现,完成
例句：Extensive tests have been carried out on the patient.
对患者进行了多次试验。
