Aeroballistics
n. 航空弹道学, 空气弹道学
🗣️ 情景例句
I was so tired
我太累了
During the two years since I took charge of the department.
在我负责这个部门的两年中。
We know instinctively, just as beekeepers with their bees,
我们本能地懂得，就像养蜂人和他的蜜蜂那样，