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
Having their origins in China, chopsticks are used in many Asian countries.
筷子起源于中国，现在很多的亚洲国家都使用它。
It's up to you.
由你决定。
and in passing leaves and indefinable longing and regret.
并在消逝中给人留下不可名状的渴望和惆怅。