Nitrocarbonitrate
硝基碳酸硝酸复合物
🗣️ 情景例句
Don't worry, Richard.
别担心， Richard。
She had a headache, because of the weather here.
由于这里的天气原因她感到有些头疼。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。