她用柠檬做柠檬汁。
“估计就是这个了，”医生答道，“荷兰酱是柠檬汁做的，柠檬汁是酸性的并且非常有腐蚀性。”
"That's probably it," replied the dentist "Hollandaise sauce is made with lemon juice, which is acidic and highly corrosive."
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？
Why is lemon juice made with artificial flavor, and dishwashing liquid made with real lemons?
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