Saltpetrous
硝石的
✅ 同义词
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
Can I reconfirm by phone?
我可以用电话确认吗？
The boy mustn't go to school yet,Mr.Williams.
这孩子还不能去上学，