occasion的形容词词形式

形容词形式是是occasional，例如：

1.Cooking is an occasional hobby and a vehicle for celebrity chefs.做饭成为一个偶尔的兴趣和大厨的工具。

2.They planned to keep the budget low by living on boiled noodles, with the occasional hamburger shop treat ．他们准备靠煮面条加汉堡店偶尔的招待来维持低预算。

3.He works for us on an occasional basis.他在我们这里做临时工。