Acidity of residue
[化] 残油酸度; 渣油酸度
🧩 词语组成解析
acidity
[ə'siditi]
n. 酸性;<化>酸性;<医>胃酸过多;（言词等的）类刻;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
It's a big decision for me, Bill.
对我来说这是个大决定， Bill。
I wish I were running across an open field.
我真希望在原野奔跑。
We had spent several days in a small town and visited a number of old churches in the vicinity.
我们在一座小镇上逗留了几天，参观了附近的许多古老的教堂。