Piperonal(dehyde)
[化] 胡椒醛
🗣️ 情景例句
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
It's more valuable.
这更有价值。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；