Citric acid can be extracted from the juice of oranges, lemons, limes or grapefruit.
柠檬酸可以从橙汁、柠檬汁、酸橙汁或柚子汁中提取。
Why is lemon juice made with artificial flavor, and dishwashing liquid made with real lemons?
为什么柠檬汁是用人造香味调料做的，而洗碗液是用真正的柠檬做的？
Simply mix the juice of about two lemons with a quart of distilled water or about two tablespoons of white vinegar with a cup of water.
只需将两个柠檬榨汁，与1夸脱蒸馏水混合，或在一杯清水中加入2汤匙白醋。
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