Phosphodoxin
磷酸氧还素
🗣️ 情景例句
How did the accident happen?
事故是怎么发生的？
Tomorrow, Sandra will carry out the garbage.
明天珊多拉将会收拾垃圾的。
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。