Quadrol
乙二胺
🗣️ 情景例句
Oh, nothing's wrong, Richard.
噢 ，没有什么事， Richard。
He commanded the soldiers to fire.
他命令士兵开火。
One of Mary's prize possessions was a little white lamb which her husband had given her.
玛丽最珍贵的财产之一就是丈夫送给她的一只白色小羔羊。