serendipitous
adj. 侥幸的,凑巧的
例句
I like the idea of serendipitous broadcasting.
我喜欢“不经意式广播”这个主意。
These experiments are frequently serendipitous.
这些实验常常都是无意中成功的。
Serendipitous people are more fearless about trying something new.
偶尔人们会更加勇于尝试新鲜事物。