这种微酸的味道是因为含有乳酸造成的。The somewhat acid flavour is caused by the presence of lactic acid.乳酸是一种具有重要工业价值的有机酸。Lactic acid is an important organic acid of industrial importance.乳酸细菌产生的酸足以使乳蛋白质凝固.Acid production of lactic acid ba...
这支小交响乐队与一群六弦提琴师同台献艺。The Sinfonietta shares the stage with a consort of viols.一只上了弦的钟在厨房的案子上嘀嗒响个不停。A wind-up clock ticked busily from the kitchen counter.下弦能够产生雄壮浑厚的音响效果。The lower strings contribute a splendid richness of...