Phenonaphthazine
苯并吩嗪
🗣️ 情景例句
I can't help you now, I'm on my coffee break.
我现在帮不了你，我正在休息、喝咖啡。
For me, studying in another country is very exciting.
对我来说，到国外留学是一件刺激而又有趣的事。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。