There were low, muffled voices rising from the hallway.从走廊里隐约传来了低沉的说话声。I heard the voices, but couldn't make out what they were saying.我听到有声音，却听不清他们在说些什么。There was a sound of loud voices from the kitchen.厨房传来一阵喧闹声。...
他们已在临床试验中接受过这种药物的治疗。They have been treated with this drug in clinical trials.没人知道如何治疗这种可怕的疾病。No one knew how to treat this dreaded disease.这种植物被用作治疗神经痛时的镇静药。The plant acts as a sedative in treating neuralgia....