benz.al.de.hyden.（名词）A normally colorless aromatic oil, C'H 5CHO, obtained naturally, as from the bitter almond, or made synthetically and used in perfumes and as a solvent and a flavoring. 苯基：一种通常为无色的芳香油，C'H 5CHO，从苦杏仁中提取或人工合成，作为溶剂和调味品用于香料中
