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。
《柯林斯英汉双解大词典》
The fun is all about expression people make as all that citric acid hits their taste buds.
有趣的是，当所有的柠檬酸冲击他们的味蕾时，人们做出的各种表情。
A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
