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
Are you ready to order now, sir?
先生，你准备点菜吗？
The day is long to him who knows not how to use it.
百无聊赖。
We can't go out because of the rain.
我们不能出去因为下雨了。