Delayed type hypersensitivity ( DTH ) was assessed by footpad challenge.然后,通过足部刺激评估迟发型超敏反应 ( dth )....

n.（徒步的）拦路贼，垫套式支脚...

footpad的音标：footpad的英式发音音标为：['fʊtpæd]footpad的美式发音音标为：['fʊtpæd]...