1. For a long time, the English were protected by the strong antibacterial agent in hops, which were added to help preserve the beer. 很长一段时间里，啤酒花中的强抗菌剂保护了英国人，这种抗菌剂被添加到啤酒中以帮助保存啤酒。
2. Coffee also contains trigonelline, an antibacterial compound that not only gives it a wonderful aroma but may be a factor in preventing dental caries. 咖啡还含有葫芦巴碱，这是一种抗菌的化合物，它不仅提供良好的香气，而且可能是预防龋齿的一个因素。
3. Rain water makes excellent soft washwater, but needs antibacterial treatment. 雨水是很好的软性洗涤水，但需要经过抗菌处理。
4. A is antibacterial, insecticidal, and inhibitable to platelet-activating factor. A 具有抗菌，杀虫作用，并且对血小板活化因子具有抑制作用。
