taster
noun [ C ] uk/ˈteɪ.stər/ us/ˈteɪ.stɚ/
(JOB)
品尝师;（职业）试味员
a person who tastes food or drink as a job
a wine-taster 品酒师
(SMALL AMOUNT)
（供品尝的）少量食品（或饮料）；（做某事的）短期体验
a small amount or short experience of something that is intended either to make you understand what it is like or to make you want more of it