Nitrochalk
n. 白垩硝
🗣️ 情景例句
I'm Richard Stewart, and this is my wife, Marilyn.
我叫Richard Stewart ，这是我妻子 Marilyn。
When did you go painting?
你什么时候去画画？
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？