Casino People Games Kəˈsiːnəʊ Noun 赌场 Building Room
The flashcard defines "casino" as a place or building where people engage in gambling games like roulette. It is a countable noun.
In Chinese, "casino" is defined as a gambling house or a place for gambling games.
[N-COUNT 可数名词]赌场 A casino is a building or room where people play gambling games such as roulette.
Oxford
ca·sino/kəˈsiːnəʊ; NAmEkəˈsiːnoʊ/noun(pluralca·sinos)a public building or room where people play gambling games for money 赌场casinocasinosca·sino/kəˈsiːnəʊ; NAmEkəˈsiːnoʊ/