Oxypyridine
羟吡啶
🗣️ 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不爱去学它。
When poverty comes in at the door,love flies out of the window.
贫穷一进门，爱情跳窗走。
On the day before our departure, several bus loads of tourists descended on the town.
我们离开小镇的前一天，镇上来了几辆满载游客的公共汽车。