Diacetone
双丙酮, 乙酰丙酮
🗣️ 情景例句
It's an album of pictures of the United States:
是关于美国的
To have money is a fear, not to have it a grief.
有钱使人担心，没钱使人伤心。
Can you see Gum Tree? It's only a small village.
你能找到它吗？它只是个小村庄。