saltpetre
(US saltpeter), n [U]
salty white powder used in making gunpowder, for preserving food and as medicine 硝酸钾; 硝石.
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做?
The tongue ever turns to the aching teeth.
舌头总是碰着疼牙。
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.