Binitro
二硝基
🗣️ 情景例句
Alexandra and the Molinas sent them for Max.
那是Alexandra和 Molina全家送给Max的。
Besides the required courses, I'm taking an elective in the Lab Science.
除必修科目外，选修科目我选了实验科学。
The train arrived on time.
火车准时到达。