Saltpeter
n. 硝石, 硝酸钾, 硝酸钠\\n[化] 硝石
✅ 同义词
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
Pigs may fly,but they are very unlikely birds.
猪儿纵会飞，终究不是鸟。
We gently woke him up and asked him to ferry us to the other side.
我们轻轻地把他唤醒，请他把我们摆渡过溪。