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
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
It was quite good. But it was awfully long.
班机很好，就是时间太长了。
Looking at his watch, he saw that it was one o'clock, but the bell struck thirteen times before it stopped.
他一看表，才1点钟，可是那钟一边敲了13下才停。