They change sugar into acids, which break down the tooth's harder outer covering.

它们把糖转化成酸，酸会腐蚀较硬的牙齿外层。

youdao

Soy sauce, sugar, vinegar, and other seasonings add richness to a dish without covering up the natural flavor of the ingredients.

此外，通过添加酱油、糖、醋和其他佐料来增加一道菜肴的风味而又不掩盖其自然风味。

youdao