noun 下载 🔗分享 柠檬烯 A monoterpene hydrocarbon 1-methyl-4-prop-1-en-2-yl-cyclohexene found in the essential oils of oranges, lemons and similar fruit, and mainly responsible for their fragrance Examples : "The pleasant, citrusy smell that fills the air when you peel an orange is largely due to the presence of limonene in the rind. " 当你剥开橘子时，空气中弥漫着那种令人愉悦的柑橘香味，这很大程度上是因为橘子皮中含有柠檬烯。 compound substance chemistry fruit plant 与AI对话词汇游戏阅读练习
