accustomed/ ə'k^stəmd /

1.adjective
to be/become accustomed to (doing) sth 习惯于/开始习惯于(做)某事

2.adjective [eyes+] 
to become/be accustomed to sth 开始适应/适应某事

3.adjective
his/her accustomed response (usual) 他/她的习惯反应