Phenacethydrazine
[化] 乙酰基苯肼
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
Do not sell the bear's skin before you have caught the bear.
熊未到手休卖皮（勿过早乐观）。
It looks like we have problem with the shipment.
货有问题哦。