Naphthyridine
二氮杂萘, 萘啶, 吡啶并, 吡啶
🔁 扩展释义
【化】 1,5-二氮杂萘【医】 萘啶
🗣️ 情景例句
We have around 3,000 workers.
大约有3000名职工。
To hear a hundred times is not so good as to see once.
百闻不如一见。
Excuse me! Are you from the USA?
对不起，你是美国人吗？