sour citron

例句：

1. 1.This dish is made with sour citron, which adds a tangy flavor to the rice.
   这道菜是用酸橙做的，给米饭增添了酸味。
2. 2. The tartness of the sour citron contrasts beautifully with the sweetness of the honey.
   酸橙的酸味与蜂蜜的甜味形成了鲜明的对比。
3. 3. Sour citron is often used in desserts as a natural sweetener.
   酸橙常用于甜点中，作为天然的甜味剂。