Nitrocarbonitrate
硝基碳酸硝酸复合物
🗣️ 情景例句
And the telephone number is five five five…three oh nine oh. Thank you.
电话是555-3090。谢谢。
Does everyone have enough to drink?
诸位喝得尽兴了没有？
He knows English better than I.
他比我懂英语。