Tick bites can cause Lyme disease.被蜱叮咬会引发莱姆病。Lyme had its hey - day in the Middle Ages and has been declining ever since.莱姆镇在中世纪曾名噪一时,但从那以后便日渐衰落.Objective To explore the relationship between Lyme disease and tick.目的探讨重要媒...
她有时在伦敦过周末.Every so often, she takes a weekend in London.海伦在她叔叔家过周末.Helen passed her weekend at her uncle's.想让我们的生活步调保持一致好一起去度假和过周末几乎是不可能的事。It was virtually impossible to synchronise our lives so as to take holidays ...