Oranges and lemons are citrus fruits.

桔子和柠檬是柑桔属水果。

Oil spotting (oleocellosis) was a prevalent physiological rind disorder of citrus fruits that was caused by the action of phytotoxic rind oils released from the oil cells in the flavedo.

摘要油斑病是发生在柑橘果实上一种常见生理病害，是由于柑橘外皮组织中溢出橘油光毒造成。