1800, from Modern Latin citricum (in acidum citricum "citric acid," discovered by Scheele in 1784; see citrus + -ic. The classical adjective was citreus.
实用例句
1. 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、酸橙汁或者柚子汁中提取。
来自柯林斯例句
2. This compartment contains citric acid at a concentration up to 24 times higher than the cytoplasm.