A tap on the door interrupted him and Sally Pierce came in.敲门声打断了他，萨莉·皮尔斯走了进来。Tap your cheeks all over with the pads of your fingers.用手指头肚儿轻拍脸颊一遍。Tap each one firmly on your work surface to settle the mixture.在工作台上逐个轻轻敲紧...
奎宁是治疗这种热病的天然药.Quinine is a natural antidote for this fever.一定要把所有得热病的人都圈在该镇,隔离起来.All the people who are suffering from the fever must be enclosed within the town....