우주의 소행성과 운석이 지구와 충돌하는 뭐 그런 내용인데요
1. The number would roughly staff a couple of shifts at Mcdonalds.
이 문장은 비유를 위해 맥도널드를 쓴거 같은데 의미가 정확히뭘까요
2. And over the long distances of space, just a slight change in course could mean missing Earth by tens of thousands of kilometers.
3. The drawback to Lu's plan is that it would work only for asteroids up to a few hundred meters across that could be engaged far from Earth.
시험 보는 지문의 문장들이라 ㅠ 자세한 해석이면 좋을것같습니다
감사합니다