Acetylpyridine
乙酰吡啶
🗣️ 情景例句
Will I have to wait for a long time?
我得等很久吗？
How many workshops are there in your factory?
你们厂有多少车间？
Then we'd have some ideas of what you'll be needing
那么我们就会心中有点儿数，知道你们需要什么了。