Semtex
n. 塞姆汀塑胶炸药（商标名称）；可变塑料炸弹
🗣️ 情景例句
Hello. Is this the Old Country Inn?
喂 ，是Old Country Inn吗？
Could you change my flight date from London to Tokyo?
请你更改一下从伦敦到东京的班机日期好吗？
Yes. But it's such an important match, we can't miss it.
是的。但是这是场很重要的比赛，我可不想错过。