38. On hearing the girl struck (strike) by a truck had been sent to hospital by ambulance, many people volunteered to donate blood and left the message that the driver should be arrested ( arrest) as soon as possible. 当得知被卡车撞倒的女孩由救护车送往了...
Sometimes people lose too much blood from injuries or accidents. To save their lives, doctors must replace the lost blood. In an operation called a transfusion, doctors put blood given by healthy people into the veins(静脉)of the sick or injured person. But they must be careful. Although al...