Triazanaphthalene
三氮杂萘
🗣️ 情景例句
Yes, but Dr. Lee's schedule is full for today. How about 9:00 tonight?
可以，不过李医生今天的时间排满了。今晚9点好吗？
This is my second year of college, I'm a sophomore.
这是我上大学的第二年，我是二年级学生。
With experience, and with improved apparatus,
根据经验和改进了的仪器，