a powerful explosive that is used for making bombs, often illegally 塞姆汀塑胶炸药(常用于非法制造炸弹) Word Origin1980s: probably a blend of Semtin (the name of a village in the Czech Republic near the place of production) and explosive.
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文