Nitropenton
四硝季戊四醇
🗣️ 情景例句
Please bear with me.
请耐心等一会儿。
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
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。