你将接受定期的血液检查以确定你是否已被感染。You'll be given regular blood tests to show whether you have been infected.许多商业性的试验室已应用定期的硝态氮分析作为指导.Some commercial laboratories use periodic nitrate tests as guides.这个收藏通过定期的书籍捐赠而得到扩充.The coll...
他们举杯相碰，目光交会。Their glasses clinked, their eyes met.两艘小船在雾中相碰.The two boats collided in the fog.在一条窄路上,我们的车和另一辆车相碰.Our car met another car on a narrow road....
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 ...
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...