noun 下载 🔗分享 萜烯，萜类化合物。 A very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber. Examples : "The pleasant smell of lemons and oranges comes from terpenes, the natural compounds found in their peels. " 柠檬和橙子那令人愉悦的气味，来自于萜烯，也就是存在于它们果皮中的天然化合物。 compound chemistry substance biochemistry plant food medicine science nature 与AI对话词汇游戏阅读练习
