1. Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins—the largest geologic features observed on planets and moons. 巨大的抛射物撞击更大的天体,创造了各种各样的陨石坑,包括多环盆地——这是在行星和卫星上观察到的最大的地质特征。
2. Massive projectiles striking much larger bodies create various kinds of craters, including "multi-ring basins"—the largest geologic features observed on planets and moons. 大量的抛射物撞击更大的天体,形成各种各样的陨石坑,包括“多环盆地”——在行星和卫星上观察到的最大的地质特征。
3. The differences in the penetration mechanism between cuspidal and blunt projectiles are studied. 研究了尖头、钝头弹在侵彻机理上的差异。
4. Why do I want to recycle projectiles anyway? 话说为什么要回收投射物呢?
5. Your parents know how to launch nasal projectiles. 你的父母懂得如何用力擤鼻涕。