exciting

The discovery of liquid water on Mars is an exciting development for space scientists.

(Chinese) 在火星上发现液态水对空间科学家来说是一个令人兴奋的发展。

The first time I rode a roller coaster, the speed was so exciting that I couldn't stop laughing.

(Chinese) 我第一次坐过山车时，那种速度感是如此刺激，让我笑个不停。