Semtex
n. 塞姆汀塑胶炸药（商标名称）；可变塑料炸弹
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
Fire and water are good servants, but bad masters.
水火是忠仆，造灾成元凶。
They're both fine,too. What about your family?
他们也都很好。你的家人好吗？