1·Dr Blackwell studies a group of quorum-sensing molecules called acylated homoserine lactones (AHLs).
Blackwell博士研究了群体感应中的一种叫做酰基高丝氨酸内酯(AHLs)分子。
2·Hawthorn has rich nutrition and contains vitamins, flavones, lactones, carbohydrates, proteins, fats and minerals such as Ca, P and Fe.
山楂营养丰富，含有多 种维生素，还含有黄铜类、内酯、糖类、蛋白质、脂肪和钙、磷、铁等矿物质。