太空，绝非坦途。在每秒数公里速度飞行的轨道上，哪怕一粒毫米级的漆片，其撞击能量也堪比子弹。舷窗，作为返回舱结构完整性与乘员安全的生命线之一，其状态直接关乎再入大气层时能否承受上千度高温与巨大压力的严酷考验。

Barely legal proof that youth isn't wasted on the young, teensymia serves up exactly what I'd hoped, with a playful self-awareness that only heightens the tease. Her replies are faster than my neurons ...