Phenylpropiophenone
苯基苄基(甲)酮
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
He's probably here.
他可能在这儿。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？