被蜱叮咬会引发莱姆病。Tick bites can cause Lyme disease.目的探讨重要媒介蜱类与莱姆病的关系.Objective To explore the relationship between Lyme disease and tick.这张图片显示了莱姆病原体在人类血液中的样子.Here, the pathogen that causes Lyme disease is shown in human blood...
马修擦掉了脸上的煤灰。Matthew scrubbed the coal dust from his face.他们满脸煤灰。Their faces were blackened with soot.他的脸和双手都沾满了煤灰和污垢.His face and hands were coverd with grime from the coal dust....