Salitre
硝石, 钠硝, 硝酸钠
🗣️ 情景例句
The desk clerk at the Watemill suggested your inn.
Watemill Inn柜台职员推荐你们旅馆。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
so that there are heavy odds in favour of our dying between the ages of sixty-five and eighty.
我们最可能死亡的年龄在65至80岁之间，