trans fat
noun [ C or U ] uk/ˈtrænz fæt/ us/ˈtrænz fæt/ (also trans-fatty acid)
反式脂肪，反型脂房（将植物油制成固体脂肪时通过氢化生成的脂肪，用于人造黄油、油炸食品等）
a type of fat that is produced by hydrogenation (= when vegetable oil is made into solid fat) and is used in margarine, fried foods, etc.
An excess of trans fats in the diet can cause high cholesterol levels. 饮食中反式脂肪过剩，可能引起较高的胆固醇水平。