Keturonate
糖酮酸
🗣️ 情景例句
Smoking makes your teeth yellow and ugly.
吸烟让你的牙齿变得又黄又丑。
People do not lack strength; they lack will.
人们不缺力量，缺的是决心。
But then another question came up.
但是另一个问题出现了。