Ballistician
n. 弹道学家
🗣️ 情景例句
I'm sure the plan is viable.
我肯定这个方案行得通。
It's only a suggestion,and you can do what you please.
它仅仅是一个建议，你能做你喜欢的东西。
You must be more careful! That car nearly hit you.
你得多加小心！那辆小车差一点碰着你了。