1·When the immune system encounters an allergen, it may become sensitised.
当免疫系统发现了过敏原就会致敏。
2·People are more sensitised to the dangers that threaten the enviroment.
人们越来越意识到危害环境的各种因素。
3·Many infants become sensitised to foods, including infant formula, through their gastrointestinal tract, a process that may be affected by the composition of the intestinal bacteria.
很多婴幼儿变得对食物敏感(包含奶粉)，原因在于受到肠胃道细菌的组成而影响。
4·This UV exposure produces a cell type that, when transferred into other mice before they re sensitised to an allergen, can prevent the development of some of the asthma-like symptoms.
紫外线照射可以产生某种细胞，小鼠对某种过敏原过敏之前，植入这些细胞可以预防某些哮喘样症状的发生。
5·Dr Dehaene thinks that our visual system became sensitised to them early on, and that letters were later selected because they exploited the sensitivities of the human brain to such shapes.
Dehaene博士认为我们的目视系统在早期对他们很敏感，该字母随即被人们选择，因为他们利用了人脑对此种形状的敏感性。