Semtex
n. 塞姆汀塑胶炸药（商标名称）；可变塑料炸弹
🗣️ 情景例句
Are there any special requirements that I should list in the paper?
有什么特别的需求要我列在报纸上的？
When is the ship supposed to leave?
船应该在什么时候开？
THE UNIVERSE AND MAN-MADE SATELLITES
宇宙与人造卫星