Utile
a. 有用的；有益的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Oh.
噢。
I was little ill at ease.
我有点不自在。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。