feeler pin[机] 探针;触针
feeler arm探针臂;探测臂;测距臂;探纬臂
precision feeler精密触头
optical feeler光学接触器
feeler gages测隙规
alignment feeler对准测隙规
feeler guage测隙规
feeler guide测撩规
filling feeler探纬指
N-COUNT（可数名词） An insect's feelers are the two thin stalks on its head with which it touches and senses things around it. 触角 [usu pl]
N-PLURAL（复数型名词） If you put out feelers, you make careful, quiet contacts with people in order to get information from them, or to find out what their reaction will be to a suggestion. 试探性的接触以获取所需的信息; 对他人观点的反应
When vacancies occur, the office puts out feelers to the universities.
职位空缺时，该办公室的触角先伸向大学。