Semtex
n. 塞姆汀塑胶炸药（商标名称）；可变塑料炸弹
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
Other Indians were killed when police officers fiercely attacked their political marches.
警察官员们猛烈攻击印度人的政治游行时，另一些印度人被杀害。