appetizer
noun [ C ] (UK usually appetiser) uk/ˈæp.ə.taɪ.zər/ us/ˈæp.ə.taɪ.zɚ/
（餐前的）开胃小吃
a small amount of food eaten before a meal
At 6.30 everyone gathered for drinks and appetizers in the lounge. 6点30分，大家聚在休息室中喝饮料，吃小吃。
mainly US（一顿饭的）第一道菜，前菜
the first part of a meal
The average cost of a full three-course meal - appetizer, main course, and dessert - is about $45. 一顿包括前菜、主菜和甜点三部分的全份西餐一般要花45美元左右。