Ssm
abbr. 地对地导弹（Surface-to-Surface Missile）
🗣️ 情景例句
That's all right. We don't go to bed early.
那没关系。我们不会睡得太早。
A proper amount of exercise contributes to good health.
适度的运动有益于健康。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。