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, ...
唱歌的四个声部是女高音 、 女低音 、 男高音和男低音.The four parts in singing are soprano, alto, tenor and bass.那位男低音歌唱家将在公园中举行音乐会.The bass was to give a concert in the park.你唱男低音还是男中音?Do you sing bass or baritone?...
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....