A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。Add honey to counterbalance the acidity.加点蜂蜜来调和酸味。This plant prefers alkaline soil, though it will readily tolerate some acidity.这种植物在酸性土壤中也能生存, ...
她把牛奶收好后转过身来。She finished putting the milk away and turned around.他们的目标是尽可能提高牛奶产量。Their aim will be to produce as much milk as possible.温牛奶是细菌理想的滋生地。Warm milk is the ideal breeding ground for bacteria....