Acetoacetate
乙酰乙酸
🗣️ 情景例句
Grandpa, Ellen, Philip, Robbie, you and me.
爷爷 Ellen Philip Robbie 你和我。
He skinned his knee.
他擦破了膝盖的皮。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。