Semtex
n. 塞姆汀塑胶炸药（商标名称）；可变塑料炸弹
🗣️ 情景例句
Her surgery needs quite a lot of money.
她的手术得花不少钱。
Hope springs eternal (in the human breast).
希望会产生，永远无穷尽。
But I don't understand. You returned the necklace to me the next afternoon. I remember very well.
不过，我还不懂。我记得很清楚，你们第二天下午就把项链还给我了。