doctor
[英][ˈdɒktə(r)] [美][ˈdɑ:ktə(r)]
n.
医生,大夫; 博士; 神学家; 医疗设备;
vt.& vi.
医疗,行医;
vt.
修理,装配; 假造; 搀杂; 修改,修饰;
teacher
[英][ˈti:tʃə(r)] [美][ˈtitʃɚ]
n.
教师,教员,老师,先生; [航]教练机;
worker
[英][ˈwɜ:kə(r)] [美][ˈwɜ:rkə(r)]
n.
工人,员工; 劳动者; [虫]工蜂,工蚁;
farmer
[英][ˈfɑ:mə(r)] [美][ˈfɑ:rmə(r)]
n.
农场主,农民; 承包人;