Nitromagnesite
镁硝石
🗣️ 情景例句
May I have your name, Please?
请问尊姓大名？
Why did't you tell me?
为什么你不告诉我？
Sometimes I have problems at work but on the whole I enjoy my job.
有时我的工作也有问题，但总的来说，我喜欢我的工作。