palpable       
adjective uk/ˈpæl.pə.bəl/ us/ˈpæl.pə.bəl/
 可感知的,易察觉的;触摸得到的
so obvious that it can easily be seen or known, or (of a feeling) so strong that it seems as if it can be touched or physically felt
  a palpable effect 明显的效果 
 Her joy was palpable. 她的快乐全写在脸上。