Phosphodoxin
磷酸氧还素
🗣️ 情景例句
Thank you.
谢谢。
After dinner sit a while, after supper walk a while.
午饭后要坐，晚饭后要走。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。