Ssm
abbr. 地对地导弹（Surface-to-Surface Missile）
🗣️ 情景例句
Attending school is compulsory in this country.
这国家衽的是义务教育。
No, You'll have to get off at the bank and take the A52.
不去。你到银行那一站就得下车，改乘A52路的。
The petrol had nearly all been used up.
汽油几乎已经用光。