Nitre
n. [化]硝酸钾, 硝石
✅ 同义词
📖 牛津释义
nitre
(US niter), n [U]
potassium or sodium nitrate; saltpetre 硝酸钾; 硝酸钠; 硝石.
🗣️ 情景例句
They dismissed him on the spot.
他们立即开除了他。
Hello.
你好！
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，