Ballisties
[机] 弹道学
🗣️ 情景例句
All you need is a little talent, and a lot of luck, and you too could become a celebrity.
你需要的就是一点点天才和多些运气，你也可能成为名人。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
Mathilde! I didn't know. I'm sorry. But what happened?
玛蒂尔德！我还不知道这些情况哩。我真难过。但是，这是怎么回事呢？